Optimal. Leaf size=517 \[ \frac {a \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{\sqrt {d} \sqrt {e}}+\frac {i b \text {Li}_2\left (\frac {\sqrt {e} (i-c x)}{\sqrt {-d} c+i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}-\frac {i b \text {Li}_2\left (\frac {\sqrt {e} (1-i c x)}{i \sqrt {-d} c+\sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}-\frac {i b \text {Li}_2\left (\frac {\sqrt {e} (i c x+1)}{i \sqrt {-d} c+\sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}+\frac {i b \text {Li}_2\left (\frac {\sqrt {e} (c x+i)}{\sqrt {-d} c+i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}-\frac {i b \log (1+i c x) \log \left (\frac {c \left (\sqrt {-d}-\sqrt {e} x\right )}{c \sqrt {-d}-i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}+\frac {i b \log (1-i c x) \log \left (\frac {c \left (\sqrt {-d}-\sqrt {e} x\right )}{c \sqrt {-d}+i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}-\frac {i b \log (1-i c x) \log \left (\frac {c \left (\sqrt {-d}+\sqrt {e} x\right )}{c \sqrt {-d}-i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}+\frac {i b \log (1+i c x) \log \left (\frac {c \left (\sqrt {-d}+\sqrt {e} x\right )}{c \sqrt {-d}+i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.41, antiderivative size = 517, normalized size of antiderivative = 1.00, number of steps used = 19, number of rules used = 7, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.389, Rules used = {4910, 205, 4908, 2409, 2394, 2393, 2391} \[ \frac {i b \text {PolyLog}\left (2,\frac {\sqrt {e} (-c x+i)}{c \sqrt {-d}+i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}-\frac {i b \text {PolyLog}\left (2,\frac {\sqrt {e} (1-i c x)}{\sqrt {e}+i c \sqrt {-d}}\right )}{4 \sqrt {-d} \sqrt {e}}-\frac {i b \text {PolyLog}\left (2,\frac {\sqrt {e} (1+i c x)}{\sqrt {e}+i c \sqrt {-d}}\right )}{4 \sqrt {-d} \sqrt {e}}+\frac {i b \text {PolyLog}\left (2,\frac {\sqrt {e} (c x+i)}{c \sqrt {-d}+i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}+\frac {a \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{\sqrt {d} \sqrt {e}}-\frac {i b \log (1+i c x) \log \left (\frac {c \left (\sqrt {-d}-\sqrt {e} x\right )}{c \sqrt {-d}-i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}+\frac {i b \log (1-i c x) \log \left (\frac {c \left (\sqrt {-d}-\sqrt {e} x\right )}{c \sqrt {-d}+i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}-\frac {i b \log (1-i c x) \log \left (\frac {c \left (\sqrt {-d}+\sqrt {e} x\right )}{c \sqrt {-d}-i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}+\frac {i b \log (1+i c x) \log \left (\frac {c \left (\sqrt {-d}+\sqrt {e} x\right )}{c \sqrt {-d}+i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 205
Rule 2391
Rule 2393
Rule 2394
Rule 2409
Rule 4908
Rule 4910
Rubi steps
\begin {align*} \int \frac {a+b \tan ^{-1}(c x)}{d+e x^2} \, dx &=a \int \frac {1}{d+e x^2} \, dx+b \int \frac {\tan ^{-1}(c x)}{d+e x^2} \, dx\\ &=\frac {a \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{\sqrt {d} \sqrt {e}}+\frac {1}{2} (i b) \int \frac {\log (1-i c x)}{d+e x^2} \, dx-\frac {1}{2} (i b) \int \frac {\log (1+i c x)}{d+e x^2} \, dx\\ &=\frac {a \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{\sqrt {d} \sqrt {e}}+\frac {1}{2} (i b) \int \left (\frac {\sqrt {-d} \log (1-i c x)}{2 d \left (\sqrt {-d}-\sqrt {e} x\right )}+\frac {\sqrt {-d} \log (1-i c x)}{2 d \left (\sqrt {-d}+\sqrt {e} x\right )}\right ) \, dx-\frac {1}{2} (i b) \int \left (\frac {\sqrt {-d} \log (1+i c x)}{2 d \left (\sqrt {-d}-\sqrt {e} x\right )}+\frac {\sqrt {-d} \log (1+i c x)}{2 d \left (\sqrt {-d}+\sqrt {e} x\right )}\right ) \, dx\\ &=\frac {a \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{\sqrt {d} \sqrt {e}}-\frac {(i b) \int \frac {\log (1-i c x)}{\sqrt {-d}-\sqrt {e} x} \, dx}{4 \sqrt {-d}}-\frac {(i b) \int \frac {\log (1-i c x)}{\sqrt {-d}+\sqrt {e} x} \, dx}{4 \sqrt {-d}}+\frac {(i b) \int \frac {\log (1+i c x)}{\sqrt {-d}-\sqrt {e} x} \, dx}{4 \sqrt {-d}}+\frac {(i b) \int \frac {\log (1+i c x)}{\sqrt {-d}+\sqrt {e} x} \, dx}{4 \sqrt {-d}}\\ &=\frac {a \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{\sqrt {d} \sqrt {e}}-\frac {i b \log (1+i c x) \log \left (\frac {c \left (\sqrt {-d}-\sqrt {e} x\right )}{c \sqrt {-d}-i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}+\frac {i b \log (1-i c x) \log \left (\frac {c \left (\sqrt {-d}-\sqrt {e} x\right )}{c \sqrt {-d}+i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}-\frac {i b \log (1-i c x) \log \left (\frac {c \left (\sqrt {-d}+\sqrt {e} x\right )}{c \sqrt {-d}-i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}+\frac {i b \log (1+i c x) \log \left (\frac {c \left (\sqrt {-d}+\sqrt {e} x\right )}{c \sqrt {-d}+i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}-\frac {(b c) \int \frac {\log \left (-\frac {i c \left (\sqrt {-d}-\sqrt {e} x\right )}{-i c \sqrt {-d}+\sqrt {e}}\right )}{1-i c x} \, dx}{4 \sqrt {-d} \sqrt {e}}-\frac {(b c) \int \frac {\log \left (\frac {i c \left (\sqrt {-d}-\sqrt {e} x\right )}{i c \sqrt {-d}+\sqrt {e}}\right )}{1+i c x} \, dx}{4 \sqrt {-d} \sqrt {e}}+\frac {(b c) \int \frac {\log \left (-\frac {i c \left (\sqrt {-d}+\sqrt {e} x\right )}{-i c \sqrt {-d}-\sqrt {e}}\right )}{1-i c x} \, dx}{4 \sqrt {-d} \sqrt {e}}+\frac {(b c) \int \frac {\log \left (\frac {i c \left (\sqrt {-d}+\sqrt {e} x\right )}{i c \sqrt {-d}-\sqrt {e}}\right )}{1+i c x} \, dx}{4 \sqrt {-d} \sqrt {e}}\\ &=\frac {a \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{\sqrt {d} \sqrt {e}}-\frac {i b \log (1+i c x) \log \left (\frac {c \left (\sqrt {-d}-\sqrt {e} x\right )}{c \sqrt {-d}-i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}+\frac {i b \log (1-i c x) \log \left (\frac {c \left (\sqrt {-d}-\sqrt {e} x\right )}{c \sqrt {-d}+i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}-\frac {i b \log (1-i c x) \log \left (\frac {c \left (\sqrt {-d}+\sqrt {e} x\right )}{c \sqrt {-d}-i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}+\frac {i b \log (1+i c x) \log \left (\frac {c \left (\sqrt {-d}+\sqrt {e} x\right )}{c \sqrt {-d}+i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}+\frac {(i b) \operatorname {Subst}\left (\int \frac {\log \left (1+\frac {\sqrt {e} x}{-i c \sqrt {-d}-\sqrt {e}}\right )}{x} \, dx,x,1-i c x\right )}{4 \sqrt {-d} \sqrt {e}}-\frac {(i b) \operatorname {Subst}\left (\int \frac {\log \left (1+\frac {\sqrt {e} x}{i c \sqrt {-d}-\sqrt {e}}\right )}{x} \, dx,x,1+i c x\right )}{4 \sqrt {-d} \sqrt {e}}-\frac {(i b) \operatorname {Subst}\left (\int \frac {\log \left (1-\frac {\sqrt {e} x}{-i c \sqrt {-d}+\sqrt {e}}\right )}{x} \, dx,x,1-i c x\right )}{4 \sqrt {-d} \sqrt {e}}+\frac {(i b) \operatorname {Subst}\left (\int \frac {\log \left (1-\frac {\sqrt {e} x}{i c \sqrt {-d}+\sqrt {e}}\right )}{x} \, dx,x,1+i c x\right )}{4 \sqrt {-d} \sqrt {e}}\\ &=\frac {a \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )}{\sqrt {d} \sqrt {e}}-\frac {i b \log (1+i c x) \log \left (\frac {c \left (\sqrt {-d}-\sqrt {e} x\right )}{c \sqrt {-d}-i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}+\frac {i b \log (1-i c x) \log \left (\frac {c \left (\sqrt {-d}-\sqrt {e} x\right )}{c \sqrt {-d}+i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}-\frac {i b \log (1-i c x) \log \left (\frac {c \left (\sqrt {-d}+\sqrt {e} x\right )}{c \sqrt {-d}-i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}+\frac {i b \log (1+i c x) \log \left (\frac {c \left (\sqrt {-d}+\sqrt {e} x\right )}{c \sqrt {-d}+i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}+\frac {i b \text {Li}_2\left (\frac {\sqrt {e} (i-c x)}{c \sqrt {-d}+i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}-\frac {i b \text {Li}_2\left (\frac {\sqrt {e} (1-i c x)}{i c \sqrt {-d}+\sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}-\frac {i b \text {Li}_2\left (\frac {\sqrt {e} (1+i c x)}{i c \sqrt {-d}+\sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}+\frac {i b \text {Li}_2\left (\frac {\sqrt {e} (i+c x)}{c \sqrt {-d}+i \sqrt {e}}\right )}{4 \sqrt {-d} \sqrt {e}}\\ \end {align*}
________________________________________________________________________________________
Mathematica [A] time = 0.25, size = 461, normalized size = 0.89 \[ \frac {4 a \sqrt {-d} \tan ^{-1}\left (\frac {\sqrt {e} x}{\sqrt {d}}\right )+i b \sqrt {d} \text {Li}_2\left (\frac {\sqrt {e} (i-c x)}{\sqrt {-d} c+i \sqrt {e}}\right )-i b \sqrt {d} \text {Li}_2\left (\frac {\sqrt {e} (1-i c x)}{i \sqrt {-d} c+\sqrt {e}}\right )-i b \sqrt {d} \text {Li}_2\left (\frac {\sqrt {e} (i c x+1)}{i \sqrt {-d} c+\sqrt {e}}\right )+i b \sqrt {d} \text {Li}_2\left (\frac {\sqrt {e} (c x+i)}{\sqrt {-d} c+i \sqrt {e}}\right )-i b \sqrt {d} \log (1+i c x) \log \left (\frac {c \left (\sqrt {-d}-\sqrt {e} x\right )}{c \sqrt {-d}-i \sqrt {e}}\right )+i b \sqrt {d} \log (1-i c x) \log \left (\frac {c \left (\sqrt {-d}-\sqrt {e} x\right )}{c \sqrt {-d}+i \sqrt {e}}\right )-i b \sqrt {d} \log (1-i c x) \log \left (\frac {c \left (\sqrt {-d}+\sqrt {e} x\right )}{c \sqrt {-d}-i \sqrt {e}}\right )+i b \sqrt {d} \log (1+i c x) \log \left (\frac {c \left (\sqrt {-d}+\sqrt {e} x\right )}{c \sqrt {-d}+i \sqrt {e}}\right )}{4 \sqrt {-d^2} \sqrt {e}} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
fricas [F] time = 0.40, size = 0, normalized size = 0.00 \[ {\rm integral}\left (\frac {b \arctan \left (c x\right ) + a}{e x^{2} + d}, x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
giac [F] time = 0.00, size = 0, normalized size = 0.00 \[ \mathit {sage}_{0} x \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maple [B] time = 0.66, size = 886, normalized size = 1.71 \[ \frac {a \arctan \left (\frac {e x}{\sqrt {d e}}\right )}{\sqrt {d e}}+\frac {i c^{3} b \ln \left (1-\frac {\left (c^{2} d -e \right ) \left (i c x +1\right )^{2}}{\left (c^{2} x^{2}+1\right ) \left (-c^{2} d -2 \sqrt {c^{2} e d}-e \right )}\right ) \arctan \left (c x \right ) \sqrt {c^{2} e d}\, d}{2 e \left (d^{2} c^{4}-2 c^{2} e d +e^{2}\right )}-\frac {i c b \ln \left (1-\frac {\left (c^{2} d -e \right ) \left (i c x +1\right )^{2}}{\left (c^{2} x^{2}+1\right ) \left (-c^{2} d -2 \sqrt {c^{2} e d}-e \right )}\right ) \arctan \left (c x \right ) \sqrt {c^{2} e d}}{d^{2} c^{4}-2 c^{2} e d +e^{2}}-\frac {b \sqrt {c^{2} e d}\, \arctan \left (c x \right )^{2}}{2 c e d}-\frac {b \sqrt {c^{2} e d}\, \polylog \left (2, \frac {\left (c^{2} d -e \right ) \left (i c x +1\right )^{2}}{\left (c^{2} x^{2}+1\right ) \left (-c^{2} d +2 \sqrt {c^{2} e d}-e \right )}\right )}{4 c e d}-\frac {i b \sqrt {c^{2} e d}\, \arctan \left (c x \right ) \ln \left (1-\frac {\left (c^{2} d -e \right ) \left (i c x +1\right )^{2}}{\left (c^{2} x^{2}+1\right ) \left (-c^{2} d +2 \sqrt {c^{2} e d}-e \right )}\right )}{2 c e d}+\frac {c^{3} b \arctan \left (c x \right )^{2} \sqrt {c^{2} e d}\, d}{2 e \left (d^{2} c^{4}-2 c^{2} e d +e^{2}\right )}-\frac {c b \arctan \left (c x \right )^{2} \sqrt {c^{2} e d}}{d^{2} c^{4}-2 c^{2} e d +e^{2}}+\frac {i b \ln \left (1-\frac {\left (c^{2} d -e \right ) \left (i c x +1\right )^{2}}{\left (c^{2} x^{2}+1\right ) \left (-c^{2} d -2 \sqrt {c^{2} e d}-e \right )}\right ) \arctan \left (c x \right ) \sqrt {c^{2} e d}\, e}{2 c d \left (d^{2} c^{4}-2 c^{2} e d +e^{2}\right )}+\frac {c^{3} b \polylog \left (2, \frac {\left (c^{2} d -e \right ) \left (i c x +1\right )^{2}}{\left (c^{2} x^{2}+1\right ) \left (-c^{2} d -2 \sqrt {c^{2} e d}-e \right )}\right ) \sqrt {c^{2} e d}\, d}{4 e \left (d^{2} c^{4}-2 c^{2} e d +e^{2}\right )}-\frac {c b \polylog \left (2, \frac {\left (c^{2} d -e \right ) \left (i c x +1\right )^{2}}{\left (c^{2} x^{2}+1\right ) \left (-c^{2} d -2 \sqrt {c^{2} e d}-e \right )}\right ) \sqrt {c^{2} e d}}{2 \left (d^{2} c^{4}-2 c^{2} e d +e^{2}\right )}+\frac {b \arctan \left (c x \right )^{2} \sqrt {c^{2} e d}\, e}{2 c d \left (d^{2} c^{4}-2 c^{2} e d +e^{2}\right )}+\frac {b \polylog \left (2, \frac {\left (c^{2} d -e \right ) \left (i c x +1\right )^{2}}{\left (c^{2} x^{2}+1\right ) \left (-c^{2} d -2 \sqrt {c^{2} e d}-e \right )}\right ) \sqrt {c^{2} e d}\, e}{4 c d \left (d^{2} c^{4}-2 c^{2} e d +e^{2}\right )} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ 2 \, b \int \frac {\arctan \left (c x\right )}{2 \, {\left (e x^{2} + d\right )}}\,{d x} + \frac {a \arctan \left (\frac {e x}{\sqrt {d e}}\right )}{\sqrt {d e}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
mupad [F] time = 0.00, size = -1, normalized size = -0.00 \[ \int \frac {a+b\,\mathrm {atan}\left (c\,x\right )}{e\,x^2+d} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {a + b \operatorname {atan}{\left (c x \right )}}{d + e x^{2}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________