Integrand size = 16, antiderivative size = 933 \[ \int \frac {\arctan (a+b x)}{c+\frac {d}{x^3}} \, dx=-\frac {(1+i a+i b x) \log (1+i a+i b x)}{2 b c}-\frac {(1-i a-i b x) \log (-i (i+a+b x))}{2 b c}-\frac {i \sqrt [3]{d} \log (1-i a-i b x) \log \left (-\frac {b \left (\sqrt [3]{d}+\sqrt [3]{c} x\right )}{(i+a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {i \sqrt [3]{d} \log (1+i a+i b x) \log \left (\frac {b \left (\sqrt [3]{d}+\sqrt [3]{c} x\right )}{(i-a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {\sqrt [6]{-1} \sqrt [3]{d} \log (1+i a+i b x) \log \left (-\frac {b \left (\sqrt [3]{d}-\sqrt [3]{-1} \sqrt [3]{c} x\right )}{\sqrt [3]{-1} (i-a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {\sqrt [6]{-1} \sqrt [3]{d} \log (1-i a-i b x) \log \left (\frac {b \left (\sqrt [3]{d}-\sqrt [3]{-1} \sqrt [3]{c} x\right )}{\sqrt [3]{-1} (i+a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {(-1)^{5/6} \sqrt [3]{d} \log (1+i a+i b x) \log \left (\frac {b \left (\sqrt [3]{d}+(-1)^{2/3} \sqrt [3]{c} x\right )}{(-1)^{2/3} (i-a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {(-1)^{5/6} \sqrt [3]{d} \log (1-i a-i b x) \log \left (\frac {b \left (\sqrt [3]{d}+(-1)^{2/3} \sqrt [3]{c} x\right )}{\sqrt [6]{-1} (1-i a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {\sqrt [6]{-1} \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [3]{-1} \sqrt [3]{c} (i-a-b x)}{\sqrt [3]{-1} (i-a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {(-1)^{5/6} \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [6]{-1} \sqrt [3]{c} (i-a-b x)}{\sqrt [6]{-1} (i-a) \sqrt [3]{c}-i b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {i \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [3]{c} (i-a-b x)}{(i-a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {i \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [3]{c} (i+a+b x)}{(i+a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {(-1)^{5/6} \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {(-1)^{2/3} \sqrt [3]{c} (i+a+b x)}{(-1)^{2/3} (i+a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {\sqrt [6]{-1} \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [3]{-1} \sqrt [3]{c} (i+a+b x)}{\sqrt [3]{-1} (i+a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}} \]
[Out]
Time = 1.20 (sec) , antiderivative size = 933, normalized size of antiderivative = 1.00, number of steps used = 31, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.438, Rules used = {5159, 2456, 2436, 2332, 2441, 2440, 2438} \[ \int \frac {\arctan (a+b x)}{c+\frac {d}{x^3}} \, dx=-\frac {(i a+i b x+1) \log (i a+i b x+1)}{2 b c}+\frac {i \sqrt [3]{d} \log \left (\frac {b \left (\sqrt [3]{c} x+\sqrt [3]{d}\right )}{\sqrt [3]{c} (i-a)+b \sqrt [3]{d}}\right ) \log (i a+i b x+1)}{6 c^{4/3}}-\frac {\sqrt [6]{-1} \sqrt [3]{d} \log \left (-\frac {b \left (\sqrt [3]{d}-\sqrt [3]{-1} \sqrt [3]{c} x\right )}{\sqrt [3]{-1} (i-a) \sqrt [3]{c}-b \sqrt [3]{d}}\right ) \log (i a+i b x+1)}{6 c^{4/3}}-\frac {(-1)^{5/6} \sqrt [3]{d} \log \left (\frac {b \left ((-1)^{2/3} \sqrt [3]{c} x+\sqrt [3]{d}\right )}{(-1)^{2/3} \sqrt [3]{c} (i-a)+b \sqrt [3]{d}}\right ) \log (i a+i b x+1)}{6 c^{4/3}}-\frac {(-i a-i b x+1) \log (-i (a+b x+i))}{2 b c}-\frac {i \sqrt [3]{d} \log (-i a-i b x+1) \log \left (-\frac {b \left (\sqrt [3]{c} x+\sqrt [3]{d}\right )}{(a+i) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {\sqrt [6]{-1} \sqrt [3]{d} \log (-i a-i b x+1) \log \left (\frac {b \left (\sqrt [3]{d}-\sqrt [3]{-1} \sqrt [3]{c} x\right )}{\sqrt [3]{-1} \sqrt [3]{c} (a+i)+b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {(-1)^{5/6} \sqrt [3]{d} \log (-i a-i b x+1) \log \left (\frac {b \left ((-1)^{2/3} \sqrt [3]{c} x+\sqrt [3]{d}\right )}{\sqrt [6]{-1} \sqrt [3]{c} (1-i a)+b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {\sqrt [6]{-1} \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [3]{-1} \sqrt [3]{c} (-a-b x+i)}{\sqrt [3]{-1} (i-a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {(-1)^{5/6} \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [6]{-1} \sqrt [3]{c} (-a-b x+i)}{\sqrt [6]{-1} (i-a) \sqrt [3]{c}-i b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {i \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [3]{c} (-a-b x+i)}{\sqrt [3]{c} (i-a)+b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {i \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [3]{c} (a+b x+i)}{(a+i) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {(-1)^{5/6} \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {(-1)^{2/3} \sqrt [3]{c} (a+b x+i)}{(-1)^{2/3} (a+i) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {\sqrt [6]{-1} \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [3]{-1} \sqrt [3]{c} (a+b x+i)}{\sqrt [3]{-1} \sqrt [3]{c} (a+i)+b \sqrt [3]{d}}\right )}{6 c^{4/3}} \]
[In]
[Out]
Rule 2332
Rule 2436
Rule 2438
Rule 2440
Rule 2441
Rule 2456
Rule 5159
Rubi steps \begin{align*} \text {integral}& = \frac {1}{2} i \int \frac {\log (1-i a-i b x)}{c+\frac {d}{x^3}} \, dx-\frac {1}{2} i \int \frac {\log (1+i a+i b x)}{c+\frac {d}{x^3}} \, dx \\ & = \frac {1}{2} i \int \left (\frac {\log (1-i a-i b x)}{c}-\frac {d \log (1-i a-i b x)}{c \left (d+c x^3\right )}\right ) \, dx-\frac {1}{2} i \int \left (\frac {\log (1+i a+i b x)}{c}-\frac {d \log (1+i a+i b x)}{c \left (d+c x^3\right )}\right ) \, dx \\ & = \frac {i \int \log (1-i a-i b x) \, dx}{2 c}-\frac {i \int \log (1+i a+i b x) \, dx}{2 c}-\frac {(i d) \int \frac {\log (1-i a-i b x)}{d+c x^3} \, dx}{2 c}+\frac {(i d) \int \frac {\log (1+i a+i b x)}{d+c x^3} \, dx}{2 c} \\ & = -\frac {\text {Subst}(\int \log (x) \, dx,x,1-i a-i b x)}{2 b c}-\frac {\text {Subst}(\int \log (x) \, dx,x,1+i a+i b x)}{2 b c}-\frac {(i d) \int \left (-\frac {\log (1-i a-i b x)}{3 d^{2/3} \left (-\sqrt [3]{d}-\sqrt [3]{c} x\right )}-\frac {\log (1-i a-i b x)}{3 d^{2/3} \left (-\sqrt [3]{d}+\sqrt [3]{-1} \sqrt [3]{c} x\right )}-\frac {\log (1-i a-i b x)}{3 d^{2/3} \left (-\sqrt [3]{d}-(-1)^{2/3} \sqrt [3]{c} x\right )}\right ) \, dx}{2 c}+\frac {(i d) \int \left (-\frac {\log (1+i a+i b x)}{3 d^{2/3} \left (-\sqrt [3]{d}-\sqrt [3]{c} x\right )}-\frac {\log (1+i a+i b x)}{3 d^{2/3} \left (-\sqrt [3]{d}+\sqrt [3]{-1} \sqrt [3]{c} x\right )}-\frac {\log (1+i a+i b x)}{3 d^{2/3} \left (-\sqrt [3]{d}-(-1)^{2/3} \sqrt [3]{c} x\right )}\right ) \, dx}{2 c} \\ & = -\frac {(1+i a+i b x) \log (1+i a+i b x)}{2 b c}-\frac {(1-i a-i b x) \log (-i (i+a+b x))}{2 b c}+\frac {\left (i \sqrt [3]{d}\right ) \int \frac {\log (1-i a-i b x)}{-\sqrt [3]{d}-\sqrt [3]{c} x} \, dx}{6 c}+\frac {\left (i \sqrt [3]{d}\right ) \int \frac {\log (1-i a-i b x)}{-\sqrt [3]{d}+\sqrt [3]{-1} \sqrt [3]{c} x} \, dx}{6 c}+\frac {\left (i \sqrt [3]{d}\right ) \int \frac {\log (1-i a-i b x)}{-\sqrt [3]{d}-(-1)^{2/3} \sqrt [3]{c} x} \, dx}{6 c}-\frac {\left (i \sqrt [3]{d}\right ) \int \frac {\log (1+i a+i b x)}{-\sqrt [3]{d}-\sqrt [3]{c} x} \, dx}{6 c}-\frac {\left (i \sqrt [3]{d}\right ) \int \frac {\log (1+i a+i b x)}{-\sqrt [3]{d}+\sqrt [3]{-1} \sqrt [3]{c} x} \, dx}{6 c}-\frac {\left (i \sqrt [3]{d}\right ) \int \frac {\log (1+i a+i b x)}{-\sqrt [3]{d}-(-1)^{2/3} \sqrt [3]{c} x} \, dx}{6 c} \\ & = -\frac {(1+i a+i b x) \log (1+i a+i b x)}{2 b c}-\frac {(1-i a-i b x) \log (-i (i+a+b x))}{2 b c}-\frac {i \sqrt [3]{d} \log (1-i a-i b x) \log \left (-\frac {b \left (\sqrt [3]{d}+\sqrt [3]{c} x\right )}{(i+a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {i \sqrt [3]{d} \log (1+i a+i b x) \log \left (\frac {b \left (\sqrt [3]{d}+\sqrt [3]{c} x\right )}{(i-a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {\sqrt [6]{-1} \sqrt [3]{d} \log (1+i a+i b x) \log \left (-\frac {b \left (\sqrt [3]{d}-\sqrt [3]{-1} \sqrt [3]{c} x\right )}{\sqrt [3]{-1} (i-a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {\sqrt [6]{-1} \sqrt [3]{d} \log (1-i a-i b x) \log \left (\frac {b \left (\sqrt [3]{d}-\sqrt [3]{-1} \sqrt [3]{c} x\right )}{\sqrt [3]{-1} (i+a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {(-1)^{5/6} \sqrt [3]{d} \log (1+i a+i b x) \log \left (\frac {b \left (\sqrt [3]{d}+(-1)^{2/3} \sqrt [3]{c} x\right )}{(-1)^{2/3} (i-a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {(-1)^{5/6} \sqrt [3]{d} \log (1-i a-i b x) \log \left (\frac {b \left (\sqrt [3]{d}+(-1)^{2/3} \sqrt [3]{c} x\right )}{\sqrt [6]{-1} (1-i a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {\left (b \sqrt [3]{d}\right ) \int \frac {\log \left (\frac {i b \left (-\sqrt [3]{d}-\sqrt [3]{c} x\right )}{(1+i a) \sqrt [3]{c}-i b \sqrt [3]{d}}\right )}{1+i a+i b x} \, dx}{6 c^{4/3}}+\frac {\left (b \sqrt [3]{d}\right ) \int \frac {\log \left (-\frac {i b \left (-\sqrt [3]{d}-\sqrt [3]{c} x\right )}{(1-i a) \sqrt [3]{c}+i b \sqrt [3]{d}}\right )}{1-i a-i b x} \, dx}{6 c^{4/3}}-\frac {\left (\sqrt [3]{-1} b \sqrt [3]{d}\right ) \int \frac {\log \left (\frac {i b \left (-\sqrt [3]{d}-(-1)^{2/3} \sqrt [3]{c} x\right )}{(-1)^{2/3} (1+i a) \sqrt [3]{c}-i b \sqrt [3]{d}}\right )}{1+i a+i b x} \, dx}{6 c^{4/3}}-\frac {\left (\sqrt [3]{-1} b \sqrt [3]{d}\right ) \int \frac {\log \left (-\frac {i b \left (-\sqrt [3]{d}-(-1)^{2/3} \sqrt [3]{c} x\right )}{(-1)^{2/3} (1-i a) \sqrt [3]{c}+i b \sqrt [3]{d}}\right )}{1-i a-i b x} \, dx}{6 c^{4/3}}+\frac {\left ((-1)^{2/3} b \sqrt [3]{d}\right ) \int \frac {\log \left (\frac {i b \left (-\sqrt [3]{d}+\sqrt [3]{-1} \sqrt [3]{c} x\right )}{-\sqrt [3]{-1} (1+i a) \sqrt [3]{c}-i b \sqrt [3]{d}}\right )}{1+i a+i b x} \, dx}{6 c^{4/3}}+\frac {\left ((-1)^{2/3} b \sqrt [3]{d}\right ) \int \frac {\log \left (-\frac {i b \left (-\sqrt [3]{d}+\sqrt [3]{-1} \sqrt [3]{c} x\right )}{-\sqrt [3]{-1} (1-i a) \sqrt [3]{c}+i b \sqrt [3]{d}}\right )}{1-i a-i b x} \, dx}{6 c^{4/3}} \\ & = -\frac {(1+i a+i b x) \log (1+i a+i b x)}{2 b c}-\frac {(1-i a-i b x) \log (-i (i+a+b x))}{2 b c}-\frac {i \sqrt [3]{d} \log (1-i a-i b x) \log \left (-\frac {b \left (\sqrt [3]{d}+\sqrt [3]{c} x\right )}{(i+a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {i \sqrt [3]{d} \log (1+i a+i b x) \log \left (\frac {b \left (\sqrt [3]{d}+\sqrt [3]{c} x\right )}{(i-a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {\sqrt [6]{-1} \sqrt [3]{d} \log (1+i a+i b x) \log \left (-\frac {b \left (\sqrt [3]{d}-\sqrt [3]{-1} \sqrt [3]{c} x\right )}{\sqrt [3]{-1} (i-a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {\sqrt [6]{-1} \sqrt [3]{d} \log (1-i a-i b x) \log \left (\frac {b \left (\sqrt [3]{d}-\sqrt [3]{-1} \sqrt [3]{c} x\right )}{\sqrt [3]{-1} (i+a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {(-1)^{5/6} \sqrt [3]{d} \log (1+i a+i b x) \log \left (\frac {b \left (\sqrt [3]{d}+(-1)^{2/3} \sqrt [3]{c} x\right )}{(-1)^{2/3} (i-a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {(-1)^{5/6} \sqrt [3]{d} \log (1-i a-i b x) \log \left (\frac {b \left (\sqrt [3]{d}+(-1)^{2/3} \sqrt [3]{c} x\right )}{\sqrt [6]{-1} (1-i a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {\left (i \sqrt [3]{d}\right ) \text {Subst}\left (\int \frac {\log \left (1-\frac {\sqrt [3]{c} x}{(1+i a) \sqrt [3]{c}-i b \sqrt [3]{d}}\right )}{x} \, dx,x,1+i a+i b x\right )}{6 c^{4/3}}+\frac {\left (i \sqrt [3]{d}\right ) \text {Subst}\left (\int \frac {\log \left (1-\frac {\sqrt [3]{c} x}{(1-i a) \sqrt [3]{c}+i b \sqrt [3]{d}}\right )}{x} \, dx,x,1-i a-i b x\right )}{6 c^{4/3}}+\frac {\left (\sqrt [6]{-1} \sqrt [3]{d}\right ) \text {Subst}\left (\int \frac {\log \left (1+\frac {\sqrt [3]{-1} \sqrt [3]{c} x}{-\sqrt [3]{-1} (1+i a) \sqrt [3]{c}-i b \sqrt [3]{d}}\right )}{x} \, dx,x,1+i a+i b x\right )}{6 c^{4/3}}-\frac {\left (\sqrt [6]{-1} \sqrt [3]{d}\right ) \text {Subst}\left (\int \frac {\log \left (1+\frac {\sqrt [3]{-1} \sqrt [3]{c} x}{-\sqrt [3]{-1} (1-i a) \sqrt [3]{c}+i b \sqrt [3]{d}}\right )}{x} \, dx,x,1-i a-i b x\right )}{6 c^{4/3}}+\frac {\left ((-1)^{5/6} \sqrt [3]{d}\right ) \text {Subst}\left (\int \frac {\log \left (1-\frac {(-1)^{2/3} \sqrt [3]{c} x}{(-1)^{2/3} (1+i a) \sqrt [3]{c}-i b \sqrt [3]{d}}\right )}{x} \, dx,x,1+i a+i b x\right )}{6 c^{4/3}}-\frac {\left ((-1)^{5/6} \sqrt [3]{d}\right ) \text {Subst}\left (\int \frac {\log \left (1-\frac {(-1)^{2/3} \sqrt [3]{c} x}{(-1)^{2/3} (1-i a) \sqrt [3]{c}+i b \sqrt [3]{d}}\right )}{x} \, dx,x,1-i a-i b x\right )}{6 c^{4/3}} \\ & = -\frac {(1+i a+i b x) \log (1+i a+i b x)}{2 b c}-\frac {(1-i a-i b x) \log (-i (i+a+b x))}{2 b c}-\frac {i \sqrt [3]{d} \log (1-i a-i b x) \log \left (-\frac {b \left (\sqrt [3]{d}+\sqrt [3]{c} x\right )}{(i+a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {i \sqrt [3]{d} \log (1+i a+i b x) \log \left (\frac {b \left (\sqrt [3]{d}+\sqrt [3]{c} x\right )}{(i-a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {\sqrt [6]{-1} \sqrt [3]{d} \log (1+i a+i b x) \log \left (-\frac {b \left (\sqrt [3]{d}-\sqrt [3]{-1} \sqrt [3]{c} x\right )}{\sqrt [3]{-1} (i-a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {\sqrt [6]{-1} \sqrt [3]{d} \log (1-i a-i b x) \log \left (\frac {b \left (\sqrt [3]{d}-\sqrt [3]{-1} \sqrt [3]{c} x\right )}{\sqrt [3]{-1} (i+a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {(-1)^{5/6} \sqrt [3]{d} \log (1+i a+i b x) \log \left (\frac {b \left (\sqrt [3]{d}+(-1)^{2/3} \sqrt [3]{c} x\right )}{(-1)^{2/3} (i-a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {(-1)^{5/6} \sqrt [3]{d} \log (1-i a-i b x) \log \left (\frac {b \left (\sqrt [3]{d}+(-1)^{2/3} \sqrt [3]{c} x\right )}{\sqrt [6]{-1} (1-i a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {\sqrt [6]{-1} \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [3]{-1} \sqrt [3]{c} (i-a-b x)}{\sqrt [3]{-1} (i-a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {(-1)^{5/6} \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [6]{-1} \sqrt [3]{c} (i-a-b x)}{\sqrt [6]{-1} (i-a) \sqrt [3]{c}-i b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {i \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [3]{c} (i-a-b x)}{(i-a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}}-\frac {i \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [3]{c} (i+a+b x)}{(i+a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {(-1)^{5/6} \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {(-1)^{2/3} \sqrt [3]{c} (i+a+b x)}{(-1)^{2/3} (i+a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )}{6 c^{4/3}}+\frac {\sqrt [6]{-1} \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [3]{-1} \sqrt [3]{c} (i+a+b x)}{\sqrt [3]{-1} (i+a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )}{6 c^{4/3}} \\ \end{align*}
Time = 0.93 (sec) , antiderivative size = 896, normalized size of antiderivative = 0.96 \[ \int \frac {\arctan (a+b x)}{c+\frac {d}{x^3}} \, dx=\frac {i \left (3 i \sqrt [3]{c} \log (1+i a+i b x)-3 a \sqrt [3]{c} \log (1+i a+i b x)-3 b \sqrt [3]{c} x \log (1+i a+i b x)+3 i \sqrt [3]{c} \log (-i (i+a+b x))+3 a \sqrt [3]{c} \log (-i (i+a+b x))+3 b \sqrt [3]{c} x \log (-i (i+a+b x))+b \sqrt [3]{d} \log (1+i a+i b x) \log \left (\frac {b \left (\sqrt [3]{d}+\sqrt [3]{c} x\right )}{-\left ((-i+a) \sqrt [3]{c}\right )+b \sqrt [3]{d}}\right )-b \sqrt [3]{d} \log (-i (i+a+b x)) \log \left (\frac {b \left (\sqrt [3]{d}+\sqrt [3]{c} x\right )}{-\left ((i+a) \sqrt [3]{c}\right )+b \sqrt [3]{d}}\right )+(-1)^{2/3} b \sqrt [3]{d} \log (1+i a+i b x) \log \left (\frac {b \left (\sqrt [3]{d}-\sqrt [3]{-1} \sqrt [3]{c} x\right )}{\sqrt [3]{-1} (-i+a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )-(-1)^{2/3} b \sqrt [3]{d} \log (-i (i+a+b x)) \log \left (\frac {b \left (\sqrt [3]{d}-\sqrt [3]{-1} \sqrt [3]{c} x\right )}{\sqrt [3]{-1} (i+a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )+\sqrt [3]{-1} b \sqrt [3]{d} \log (-i (i+a+b x)) \log \left (\frac {b \left (\sqrt [3]{d}+(-1)^{2/3} \sqrt [3]{c} x\right )}{\sqrt [6]{-1} (1-i a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )-\sqrt [3]{-1} b \sqrt [3]{d} \log (1+i a+i b x) \log \left (\frac {b \left (\sqrt [3]{d}+(-1)^{2/3} \sqrt [3]{c} x\right )}{-(-1)^{2/3} (-i+a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )+b \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [3]{c} (-i+a+b x)}{(-i+a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )-\sqrt [3]{-1} b \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [6]{-1} \sqrt [3]{c} (-i+a+b x)}{\sqrt [6]{-1} (-i+a) \sqrt [3]{c}+i b \sqrt [3]{d}}\right )+(-1)^{2/3} b \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [3]{-1} \sqrt [3]{c} (-i+a+b x)}{\sqrt [3]{-1} (-i+a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )-b \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [3]{c} (i+a+b x)}{(i+a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )+\sqrt [3]{-1} b \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {(-1)^{2/3} \sqrt [3]{c} (i+a+b x)}{(-1)^{2/3} (i+a) \sqrt [3]{c}-b \sqrt [3]{d}}\right )-(-1)^{2/3} b \sqrt [3]{d} \operatorname {PolyLog}\left (2,\frac {\sqrt [3]{-1} \sqrt [3]{c} (i+a+b x)}{\sqrt [3]{-1} (i+a) \sqrt [3]{c}+b \sqrt [3]{d}}\right )\right )}{6 b c^{4/3}} \]
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 1.09 (sec) , antiderivative size = 511, normalized size of antiderivative = 0.55
method | result | size |
risch | \(\frac {i \ln \left (-b x i-i a +1\right ) x}{2 c}+\frac {i \ln \left (-b x i-i a +1\right ) a}{2 b c}-\frac {\ln \left (-b x i-i a +1\right )}{2 b c}+\frac {1}{b c}+\frac {i b^{2} d \left (\munderset {\textit {\_R1} =\operatorname {RootOf}\left (c \,\textit {\_Z}^{3}+\left (3 \operatorname {RootOf}\left (\textit {\_Z}^{2}+1, \operatorname {index} =1\right ) a c -3 c \right ) \textit {\_Z}^{2}+\left (-6 \operatorname {RootOf}\left (\textit {\_Z}^{2}+1, \operatorname {index} =1\right ) a c -3 a^{2} c +3 c \right ) \textit {\_Z} -\operatorname {RootOf}\left (\textit {\_Z}^{2}+1, \operatorname {index} =1\right ) a^{3} c +\operatorname {RootOf}\left (\textit {\_Z}^{2}+1, \operatorname {index} =1\right ) b^{3} d +3 \operatorname {RootOf}\left (\textit {\_Z}^{2}+1, \operatorname {index} =1\right ) a c +3 a^{2} c -c \right )}{\sum }\frac {\ln \left (-b x i-i a +1\right ) \ln \left (\frac {b x i+i a +\textit {\_R1} -1}{\textit {\_R1}}\right )+\operatorname {dilog}\left (\frac {b x i+i a +\textit {\_R1} -1}{\textit {\_R1}}\right )}{2 \textit {\_R1} a i+\textit {\_R1}^{2}-a^{2}-2 i a -2 \textit {\_R1} +1}\right )}{6 c^{2}}-\frac {i \ln \left (b x i+i a +1\right ) x}{2 c}-\frac {i \ln \left (b x i+i a +1\right ) a}{2 b c}-\frac {\ln \left (b x i+i a +1\right )}{2 b c}-\frac {i b^{2} d \left (\munderset {\textit {\_R1} =\operatorname {RootOf}\left (c \,\textit {\_Z}^{3}+\left (-3 \operatorname {RootOf}\left (\textit {\_Z}^{2}+1, \operatorname {index} =1\right ) a c -3 c \right ) \textit {\_Z}^{2}+\left (6 \operatorname {RootOf}\left (\textit {\_Z}^{2}+1, \operatorname {index} =1\right ) a c -3 a^{2} c +3 c \right ) \textit {\_Z} +\operatorname {RootOf}\left (\textit {\_Z}^{2}+1, \operatorname {index} =1\right ) a^{3} c -\operatorname {RootOf}\left (\textit {\_Z}^{2}+1, \operatorname {index} =1\right ) b^{3} d -3 \operatorname {RootOf}\left (\textit {\_Z}^{2}+1, \operatorname {index} =1\right ) a c +3 a^{2} c -c \right )}{\sum }\frac {\ln \left (b x i+i a +1\right ) \ln \left (\frac {-b x i-i a +\textit {\_R1} -1}{\textit {\_R1}}\right )+\operatorname {dilog}\left (\frac {-b x i-i a +\textit {\_R1} -1}{\textit {\_R1}}\right )}{-2 \textit {\_R1} a i+\textit {\_R1}^{2}-a^{2}+2 i a -2 \textit {\_R1} +1}\right )}{6 c^{2}}\) | \(511\) |
derivativedivides | \(\frac {\frac {\arctan \left (b x +a \right ) \left (b x +a \right )}{c}+\frac {\arctan \left (b x +a \right ) \left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (c \,\textit {\_Z}^{3}-3 a c \,\textit {\_Z}^{2}+3 a^{2} c \textit {\_Z} -a^{3} c +b^{3} d \right )}{\sum }\frac {\ln \left (b x -\textit {\_R} +a \right )}{-\textit {\_R}^{2}+2 \textit {\_R} a -a^{2}}\right ) d \,b^{3}}{3 c^{2}}-\frac {d \,b^{3} \left (\arctan \left (b x +a \right ) \left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (c \,\textit {\_Z}^{3}-3 a c \,\textit {\_Z}^{2}+3 a^{2} c \textit {\_Z} -a^{3} c +b^{3} d \right )}{\sum }\frac {\ln \left (b x -\textit {\_R} +a \right )}{-\textit {\_R}^{2}+2 \textit {\_R} a -a^{2}}\right )-3 c \left (-\frac {2 \left (\munderset {\textit {\_R1} =\operatorname {RootOf}\left (\left (a^{3} c +3 i a^{2} c -b^{3} d -3 a c -i c \right ) \textit {\_Z}^{6}+\left (3 a^{3} c +3 i a^{2} c -3 b^{3} d +3 a c +3 i c \right ) \textit {\_Z}^{4}+\left (3 a^{3} c -3 i a^{2} c -3 b^{3} d +3 a c -3 i c \right ) \textit {\_Z}^{2}-3 i a^{2} c +a^{3} c -b^{3} d +i c -3 a c \right )}{\sum }\frac {i \arctan \left (b x +a \right ) \ln \left (\frac {\textit {\_R1} -\frac {1+i \left (b x +a \right )}{\sqrt {1+\left (b x +a \right )^{2}}}}{\textit {\_R1}}\right )+\operatorname {dilog}\left (\frac {\textit {\_R1} -\frac {1+i \left (b x +a \right )}{\sqrt {1+\left (b x +a \right )^{2}}}}{\textit {\_R1}}\right )}{a^{3} c \,\textit {\_R1}^{4}+3 i a^{2} c \,\textit {\_R1}^{4}-b^{3} d \,\textit {\_R1}^{4}-3 a c \,\textit {\_R1}^{4}-i c \,\textit {\_R1}^{4}+2 a^{3} c \,\textit {\_R1}^{2}+2 i a^{2} c \,\textit {\_R1}^{2}-2 b^{3} d \,\textit {\_R1}^{2}+2 a c \,\textit {\_R1}^{2}+2 i c \,\textit {\_R1}^{2}+a^{3} c -i a^{2} c -b^{3} d +a c -i c}\right )}{3}-\frac {2 \left (\munderset {\textit {\_R1} =\operatorname {RootOf}\left (\left (a^{3} c +3 i a^{2} c -b^{3} d -3 a c -i c \right ) \textit {\_Z}^{6}+\left (3 a^{3} c +3 i a^{2} c -3 b^{3} d +3 a c +3 i c \right ) \textit {\_Z}^{4}+\left (3 a^{3} c -3 i a^{2} c -3 b^{3} d +3 a c -3 i c \right ) \textit {\_Z}^{2}-3 i a^{2} c +a^{3} c -b^{3} d +i c -3 a c \right )}{\sum }\frac {\textit {\_R1}^{2} \left (i \arctan \left (b x +a \right ) \ln \left (\frac {\textit {\_R1} -\frac {1+i \left (b x +a \right )}{\sqrt {1+\left (b x +a \right )^{2}}}}{\textit {\_R1}}\right )+\operatorname {dilog}\left (\frac {\textit {\_R1} -\frac {1+i \left (b x +a \right )}{\sqrt {1+\left (b x +a \right )^{2}}}}{\textit {\_R1}}\right )\right )}{a^{3} c \,\textit {\_R1}^{4}+3 i a^{2} c \,\textit {\_R1}^{4}-b^{3} d \,\textit {\_R1}^{4}-3 a c \,\textit {\_R1}^{4}-i c \,\textit {\_R1}^{4}+2 a^{3} c \,\textit {\_R1}^{2}+2 i a^{2} c \,\textit {\_R1}^{2}-2 b^{3} d \,\textit {\_R1}^{2}+2 a c \,\textit {\_R1}^{2}+2 i c \,\textit {\_R1}^{2}+a^{3} c -i a^{2} c -b^{3} d +a c -i c}\right )}{3}\right )\right )}{3 c^{2}}-\frac {\ln \left (1+\left (b x +a \right )^{2}\right )}{2 c}}{b}\) | \(819\) |
default | \(\frac {\frac {\arctan \left (b x +a \right ) \left (b x +a \right )}{c}+\frac {\arctan \left (b x +a \right ) \left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (c \,\textit {\_Z}^{3}-3 a c \,\textit {\_Z}^{2}+3 a^{2} c \textit {\_Z} -a^{3} c +b^{3} d \right )}{\sum }\frac {\ln \left (b x -\textit {\_R} +a \right )}{-\textit {\_R}^{2}+2 \textit {\_R} a -a^{2}}\right ) d \,b^{3}}{3 c^{2}}-\frac {d \,b^{3} \left (\arctan \left (b x +a \right ) \left (\munderset {\textit {\_R} =\operatorname {RootOf}\left (c \,\textit {\_Z}^{3}-3 a c \,\textit {\_Z}^{2}+3 a^{2} c \textit {\_Z} -a^{3} c +b^{3} d \right )}{\sum }\frac {\ln \left (b x -\textit {\_R} +a \right )}{-\textit {\_R}^{2}+2 \textit {\_R} a -a^{2}}\right )-3 c \left (-\frac {2 \left (\munderset {\textit {\_R1} =\operatorname {RootOf}\left (\left (a^{3} c +3 i a^{2} c -b^{3} d -3 a c -i c \right ) \textit {\_Z}^{6}+\left (3 a^{3} c +3 i a^{2} c -3 b^{3} d +3 a c +3 i c \right ) \textit {\_Z}^{4}+\left (3 a^{3} c -3 i a^{2} c -3 b^{3} d +3 a c -3 i c \right ) \textit {\_Z}^{2}-3 i a^{2} c +a^{3} c -b^{3} d +i c -3 a c \right )}{\sum }\frac {i \arctan \left (b x +a \right ) \ln \left (\frac {\textit {\_R1} -\frac {1+i \left (b x +a \right )}{\sqrt {1+\left (b x +a \right )^{2}}}}{\textit {\_R1}}\right )+\operatorname {dilog}\left (\frac {\textit {\_R1} -\frac {1+i \left (b x +a \right )}{\sqrt {1+\left (b x +a \right )^{2}}}}{\textit {\_R1}}\right )}{a^{3} c \,\textit {\_R1}^{4}+3 i a^{2} c \,\textit {\_R1}^{4}-b^{3} d \,\textit {\_R1}^{4}-3 a c \,\textit {\_R1}^{4}-i c \,\textit {\_R1}^{4}+2 a^{3} c \,\textit {\_R1}^{2}+2 i a^{2} c \,\textit {\_R1}^{2}-2 b^{3} d \,\textit {\_R1}^{2}+2 a c \,\textit {\_R1}^{2}+2 i c \,\textit {\_R1}^{2}+a^{3} c -i a^{2} c -b^{3} d +a c -i c}\right )}{3}-\frac {2 \left (\munderset {\textit {\_R1} =\operatorname {RootOf}\left (\left (a^{3} c +3 i a^{2} c -b^{3} d -3 a c -i c \right ) \textit {\_Z}^{6}+\left (3 a^{3} c +3 i a^{2} c -3 b^{3} d +3 a c +3 i c \right ) \textit {\_Z}^{4}+\left (3 a^{3} c -3 i a^{2} c -3 b^{3} d +3 a c -3 i c \right ) \textit {\_Z}^{2}-3 i a^{2} c +a^{3} c -b^{3} d +i c -3 a c \right )}{\sum }\frac {\textit {\_R1}^{2} \left (i \arctan \left (b x +a \right ) \ln \left (\frac {\textit {\_R1} -\frac {1+i \left (b x +a \right )}{\sqrt {1+\left (b x +a \right )^{2}}}}{\textit {\_R1}}\right )+\operatorname {dilog}\left (\frac {\textit {\_R1} -\frac {1+i \left (b x +a \right )}{\sqrt {1+\left (b x +a \right )^{2}}}}{\textit {\_R1}}\right )\right )}{a^{3} c \,\textit {\_R1}^{4}+3 i a^{2} c \,\textit {\_R1}^{4}-b^{3} d \,\textit {\_R1}^{4}-3 a c \,\textit {\_R1}^{4}-i c \,\textit {\_R1}^{4}+2 a^{3} c \,\textit {\_R1}^{2}+2 i a^{2} c \,\textit {\_R1}^{2}-2 b^{3} d \,\textit {\_R1}^{2}+2 a c \,\textit {\_R1}^{2}+2 i c \,\textit {\_R1}^{2}+a^{3} c -i a^{2} c -b^{3} d +a c -i c}\right )}{3}\right )\right )}{3 c^{2}}-\frac {\ln \left (1+\left (b x +a \right )^{2}\right )}{2 c}}{b}\) | \(819\) |
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\[ \int \frac {\arctan (a+b x)}{c+\frac {d}{x^3}} \, dx=\int { \frac {\arctan \left (b x + a\right )}{c + \frac {d}{x^{3}}} \,d x } \]
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Timed out. \[ \int \frac {\arctan (a+b x)}{c+\frac {d}{x^3}} \, dx=\text {Timed out} \]
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\[ \int \frac {\arctan (a+b x)}{c+\frac {d}{x^3}} \, dx=\int { \frac {\arctan \left (b x + a\right )}{c + \frac {d}{x^{3}}} \,d x } \]
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\[ \int \frac {\arctan (a+b x)}{c+\frac {d}{x^3}} \, dx=\int { \frac {\arctan \left (b x + a\right )}{c + \frac {d}{x^{3}}} \,d x } \]
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Timed out. \[ \int \frac {\arctan (a+b x)}{c+\frac {d}{x^3}} \, dx=\int \frac {\mathrm {atan}\left (a+b\,x\right )}{c+\frac {d}{x^3}} \,d x \]
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