Integrand size = 14, antiderivative size = 139 \[ \int x^2 \left (a+b \csc ^{-1}(c x)\right )^2 \, dx=\frac {b^2 x}{3 c^2}+\frac {b \sqrt {1-\frac {1}{c^2 x^2}} x^2 \left (a+b \csc ^{-1}(c x)\right )}{3 c}+\frac {1}{3} x^3 \left (a+b \csc ^{-1}(c x)\right )^2+\frac {2 b \left (a+b \csc ^{-1}(c x)\right ) \text {arctanh}\left (e^{i \csc ^{-1}(c x)}\right )}{3 c^3}-\frac {i b^2 \operatorname {PolyLog}\left (2,-e^{i \csc ^{-1}(c x)}\right )}{3 c^3}+\frac {i b^2 \operatorname {PolyLog}\left (2,e^{i \csc ^{-1}(c x)}\right )}{3 c^3} \]
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Time = 0.09 (sec) , antiderivative size = 139, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.429, Rules used = {5331, 4495, 4270, 4268, 2317, 2438} \[ \int x^2 \left (a+b \csc ^{-1}(c x)\right )^2 \, dx=\frac {2 b \text {arctanh}\left (e^{i \csc ^{-1}(c x)}\right ) \left (a+b \csc ^{-1}(c x)\right )}{3 c^3}+\frac {b x^2 \sqrt {1-\frac {1}{c^2 x^2}} \left (a+b \csc ^{-1}(c x)\right )}{3 c}+\frac {1}{3} x^3 \left (a+b \csc ^{-1}(c x)\right )^2-\frac {i b^2 \operatorname {PolyLog}\left (2,-e^{i \csc ^{-1}(c x)}\right )}{3 c^3}+\frac {i b^2 \operatorname {PolyLog}\left (2,e^{i \csc ^{-1}(c x)}\right )}{3 c^3}+\frac {b^2 x}{3 c^2} \]
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Rule 2317
Rule 2438
Rule 4268
Rule 4270
Rule 4495
Rule 5331
Rubi steps \begin{align*} \text {integral}& = -\frac {\text {Subst}\left (\int (a+b x)^2 \cot (x) \csc ^3(x) \, dx,x,\csc ^{-1}(c x)\right )}{c^3} \\ & = \frac {1}{3} x^3 \left (a+b \csc ^{-1}(c x)\right )^2-\frac {(2 b) \text {Subst}\left (\int (a+b x) \csc ^3(x) \, dx,x,\csc ^{-1}(c x)\right )}{3 c^3} \\ & = \frac {b^2 x}{3 c^2}+\frac {b \sqrt {1-\frac {1}{c^2 x^2}} x^2 \left (a+b \csc ^{-1}(c x)\right )}{3 c}+\frac {1}{3} x^3 \left (a+b \csc ^{-1}(c x)\right )^2-\frac {b \text {Subst}\left (\int (a+b x) \csc (x) \, dx,x,\csc ^{-1}(c x)\right )}{3 c^3} \\ & = \frac {b^2 x}{3 c^2}+\frac {b \sqrt {1-\frac {1}{c^2 x^2}} x^2 \left (a+b \csc ^{-1}(c x)\right )}{3 c}+\frac {1}{3} x^3 \left (a+b \csc ^{-1}(c x)\right )^2+\frac {2 b \left (a+b \csc ^{-1}(c x)\right ) \text {arctanh}\left (e^{i \csc ^{-1}(c x)}\right )}{3 c^3}+\frac {b^2 \text {Subst}\left (\int \log \left (1-e^{i x}\right ) \, dx,x,\csc ^{-1}(c x)\right )}{3 c^3}-\frac {b^2 \text {Subst}\left (\int \log \left (1+e^{i x}\right ) \, dx,x,\csc ^{-1}(c x)\right )}{3 c^3} \\ & = \frac {b^2 x}{3 c^2}+\frac {b \sqrt {1-\frac {1}{c^2 x^2}} x^2 \left (a+b \csc ^{-1}(c x)\right )}{3 c}+\frac {1}{3} x^3 \left (a+b \csc ^{-1}(c x)\right )^2+\frac {2 b \left (a+b \csc ^{-1}(c x)\right ) \text {arctanh}\left (e^{i \csc ^{-1}(c x)}\right )}{3 c^3}-\frac {\left (i b^2\right ) \text {Subst}\left (\int \frac {\log (1-x)}{x} \, dx,x,e^{i \csc ^{-1}(c x)}\right )}{3 c^3}+\frac {\left (i b^2\right ) \text {Subst}\left (\int \frac {\log (1+x)}{x} \, dx,x,e^{i \csc ^{-1}(c x)}\right )}{3 c^3} \\ & = \frac {b^2 x}{3 c^2}+\frac {b \sqrt {1-\frac {1}{c^2 x^2}} x^2 \left (a+b \csc ^{-1}(c x)\right )}{3 c}+\frac {1}{3} x^3 \left (a+b \csc ^{-1}(c x)\right )^2+\frac {2 b \left (a+b \csc ^{-1}(c x)\right ) \text {arctanh}\left (e^{i \csc ^{-1}(c x)}\right )}{3 c^3}-\frac {i b^2 \operatorname {PolyLog}\left (2,-e^{i \csc ^{-1}(c x)}\right )}{3 c^3}+\frac {i b^2 \operatorname {PolyLog}\left (2,e^{i \csc ^{-1}(c x)}\right )}{3 c^3} \\ \end{align*}
Time = 1.00 (sec) , antiderivative size = 213, normalized size of antiderivative = 1.53 \[ \int x^2 \left (a+b \csc ^{-1}(c x)\right )^2 \, dx=\frac {1}{3} \left (a^2 x^3+2 a b x^3 \csc ^{-1}(c x)+\frac {a b \left (-c x+c^3 x^3-\sqrt {-1+c^2 x^2} \log \left (-c x+\sqrt {-1+c^2 x^2}\right )\right )}{c^4 \sqrt {1-\frac {1}{c^2 x^2}} x}-\frac {i b^2 \operatorname {PolyLog}\left (2,-e^{i \csc ^{-1}(c x)}\right )}{c^3}+\frac {b^2 \left (c x+c^3 x^3 \csc ^{-1}(c x)^2+\csc ^{-1}(c x) \left (c^2 \sqrt {1-\frac {1}{c^2 x^2}} x^2-\log \left (1-e^{i \csc ^{-1}(c x)}\right )+\log \left (1+e^{i \csc ^{-1}(c x)}\right )\right )+i \operatorname {PolyLog}\left (2,e^{i \csc ^{-1}(c x)}\right )\right )}{c^3}\right ) \]
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Time = 1.44 (sec) , antiderivative size = 268, normalized size of antiderivative = 1.93
method | result | size |
parts | \(\frac {a^{2} x^{3}}{3}+\frac {b^{2} \left (\frac {\left (c^{2} x^{2} \operatorname {arccsc}\left (c x \right )^{2}+\operatorname {arccsc}\left (c x \right ) c x \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}+1\right ) c x}{3}-\frac {\operatorname {arccsc}\left (c x \right ) \ln \left (1-\frac {i}{c x}-\sqrt {1-\frac {1}{c^{2} x^{2}}}\right )}{3}+\frac {i \operatorname {polylog}\left (2, \frac {i}{c x}+\sqrt {1-\frac {1}{c^{2} x^{2}}}\right )}{3}+\frac {\operatorname {arccsc}\left (c x \right ) \ln \left (1+\frac {i}{c x}+\sqrt {1-\frac {1}{c^{2} x^{2}}}\right )}{3}-\frac {i \operatorname {polylog}\left (2, -\frac {i}{c x}-\sqrt {1-\frac {1}{c^{2} x^{2}}}\right )}{3}\right )}{c^{3}}+\frac {2 a b \left (\frac {c^{3} x^{3} \operatorname {arccsc}\left (c x \right )}{3}+\frac {\sqrt {c^{2} x^{2}-1}\, \left (c x \sqrt {c^{2} x^{2}-1}+\ln \left (c x +\sqrt {c^{2} x^{2}-1}\right )\right )}{6 \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}\, c x}\right )}{c^{3}}\) | \(268\) |
derivativedivides | \(\frac {\frac {c^{3} x^{3} a^{2}}{3}+b^{2} \left (\frac {\left (c^{2} x^{2} \operatorname {arccsc}\left (c x \right )^{2}+\operatorname {arccsc}\left (c x \right ) c x \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}+1\right ) c x}{3}-\frac {\operatorname {arccsc}\left (c x \right ) \ln \left (1-\frac {i}{c x}-\sqrt {1-\frac {1}{c^{2} x^{2}}}\right )}{3}+\frac {i \operatorname {polylog}\left (2, \frac {i}{c x}+\sqrt {1-\frac {1}{c^{2} x^{2}}}\right )}{3}+\frac {\operatorname {arccsc}\left (c x \right ) \ln \left (1+\frac {i}{c x}+\sqrt {1-\frac {1}{c^{2} x^{2}}}\right )}{3}-\frac {i \operatorname {polylog}\left (2, -\frac {i}{c x}-\sqrt {1-\frac {1}{c^{2} x^{2}}}\right )}{3}\right )+2 a b \left (\frac {c^{3} x^{3} \operatorname {arccsc}\left (c x \right )}{3}+\frac {\sqrt {c^{2} x^{2}-1}\, \left (c x \sqrt {c^{2} x^{2}-1}+\ln \left (c x +\sqrt {c^{2} x^{2}-1}\right )\right )}{6 \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}\, c x}\right )}{c^{3}}\) | \(269\) |
default | \(\frac {\frac {c^{3} x^{3} a^{2}}{3}+b^{2} \left (\frac {\left (c^{2} x^{2} \operatorname {arccsc}\left (c x \right )^{2}+\operatorname {arccsc}\left (c x \right ) c x \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}+1\right ) c x}{3}-\frac {\operatorname {arccsc}\left (c x \right ) \ln \left (1-\frac {i}{c x}-\sqrt {1-\frac {1}{c^{2} x^{2}}}\right )}{3}+\frac {i \operatorname {polylog}\left (2, \frac {i}{c x}+\sqrt {1-\frac {1}{c^{2} x^{2}}}\right )}{3}+\frac {\operatorname {arccsc}\left (c x \right ) \ln \left (1+\frac {i}{c x}+\sqrt {1-\frac {1}{c^{2} x^{2}}}\right )}{3}-\frac {i \operatorname {polylog}\left (2, -\frac {i}{c x}-\sqrt {1-\frac {1}{c^{2} x^{2}}}\right )}{3}\right )+2 a b \left (\frac {c^{3} x^{3} \operatorname {arccsc}\left (c x \right )}{3}+\frac {\sqrt {c^{2} x^{2}-1}\, \left (c x \sqrt {c^{2} x^{2}-1}+\ln \left (c x +\sqrt {c^{2} x^{2}-1}\right )\right )}{6 \sqrt {\frac {c^{2} x^{2}-1}{c^{2} x^{2}}}\, c x}\right )}{c^{3}}\) | \(269\) |
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\[ \int x^2 \left (a+b \csc ^{-1}(c x)\right )^2 \, dx=\int { {\left (b \operatorname {arccsc}\left (c x\right ) + a\right )}^{2} x^{2} \,d x } \]
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\[ \int x^2 \left (a+b \csc ^{-1}(c x)\right )^2 \, dx=\int x^{2} \left (a + b \operatorname {acsc}{\left (c x \right )}\right )^{2}\, dx \]
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\[ \int x^2 \left (a+b \csc ^{-1}(c x)\right )^2 \, dx=\int { {\left (b \operatorname {arccsc}\left (c x\right ) + a\right )}^{2} x^{2} \,d x } \]
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\[ \int x^2 \left (a+b \csc ^{-1}(c x)\right )^2 \, dx=\int { {\left (b \operatorname {arccsc}\left (c x\right ) + a\right )}^{2} x^{2} \,d x } \]
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Timed out. \[ \int x^2 \left (a+b \csc ^{-1}(c x)\right )^2 \, dx=\int x^2\,{\left (a+b\,\mathrm {asin}\left (\frac {1}{c\,x}\right )\right )}^2 \,d x \]
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