Integrand size = 20, antiderivative size = 480 \[ \int \frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{(e+f x)^2} \, dx=-\frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{f (e+f x)}+\frac {b^2 d \coth ^{-1}(c+d x) \log \left (\frac {2}{1-c-d x}\right )}{f (d e+f-c f)}-\frac {a b d \log (1-c-d x)}{f (d e+f-c f)}-\frac {b^2 d \coth ^{-1}(c+d x) \log \left (\frac {2}{1+c+d x}\right )}{f (d e-f-c f)}+\frac {2 b^2 d \coth ^{-1}(c+d x) \log \left (\frac {2}{1+c+d x}\right )}{(d e+f-c f) (d e-(1+c) f)}+\frac {a b d \log (1+c+d x)}{f (d e-f-c f)}+\frac {2 a b d \log (e+f x)}{f^2-(d e-c f)^2}-\frac {2 b^2 d \coth ^{-1}(c+d x) \log \left (\frac {2 d (e+f x)}{(d e+f-c f) (1+c+d x)}\right )}{(d e+f-c f) (d e-(1+c) f)}+\frac {b^2 d \operatorname {PolyLog}\left (2,-\frac {1+c+d x}{1-c-d x}\right )}{2 f (d e+f-c f)}+\frac {b^2 d \operatorname {PolyLog}\left (2,1-\frac {2}{1+c+d x}\right )}{2 f (d e-f-c f)}-\frac {b^2 d \operatorname {PolyLog}\left (2,1-\frac {2}{1+c+d x}\right )}{(d e+f-c f) (d e-(1+c) f)}+\frac {b^2 d \operatorname {PolyLog}\left (2,1-\frac {2 d (e+f x)}{(d e+f-c f) (1+c+d x)}\right )}{(d e+f-c f) (d e-(1+c) f)} \]
[Out]
Time = 1.32 (sec) , antiderivative size = 485, normalized size of antiderivative = 1.01, number of steps used = 21, number of rules used = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.950, Rules used = {6245, 2007, 719, 31, 646, 6873, 6257, 720, 647, 6820, 12, 6857, 84, 6874, 6056, 2449, 2352, 6058, 2497} \[ \int \frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{(e+f x)^2} \, dx=-\frac {a b d \log (-c-d x+1)}{f (-c f+d e+f)}+\frac {a b d \log (c+d x+1)}{f (-c f+d e-f)}-\frac {2 a b d \log (e+f x)}{(-c f+d e+f) (d e-(c+1) f)}-\frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{f (e+f x)}+\frac {b^2 d \operatorname {PolyLog}\left (2,-\frac {c+d x+1}{-c-d x+1}\right )}{2 f (-c f+d e+f)}+\frac {b^2 d \operatorname {PolyLog}\left (2,1-\frac {2}{c+d x+1}\right )}{2 f (-c f+d e-f)}-\frac {b^2 d \operatorname {PolyLog}\left (2,1-\frac {2}{c+d x+1}\right )}{(-c f+d e+f) (d e-(c+1) f)}+\frac {b^2 d \operatorname {PolyLog}\left (2,1-\frac {2 d (e+f x)}{(d e-c f+f) (c+d x+1)}\right )}{(-c f+d e+f) (d e-(c+1) f)}+\frac {b^2 d \log \left (\frac {2}{-c-d x+1}\right ) \coth ^{-1}(c+d x)}{f (-c f+d e+f)}-\frac {b^2 d \log \left (\frac {2}{c+d x+1}\right ) \coth ^{-1}(c+d x)}{f (-c f+d e-f)}+\frac {2 b^2 d \log \left (\frac {2}{c+d x+1}\right ) \coth ^{-1}(c+d x)}{(-c f+d e+f) (d e-(c+1) f)}-\frac {2 b^2 d \coth ^{-1}(c+d x) \log \left (\frac {2 d (e+f x)}{(c+d x+1) (-c f+d e+f)}\right )}{(-c f+d e+f) (d e-(c+1) f)} \]
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Rule 12
Rule 31
Rule 84
Rule 646
Rule 647
Rule 719
Rule 720
Rule 2007
Rule 2352
Rule 2449
Rule 2497
Rule 6056
Rule 6058
Rule 6245
Rule 6257
Rule 6820
Rule 6857
Rule 6873
Rule 6874
Rubi steps \begin{align*} \text {integral}& = -\frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{f (e+f x)}+\frac {(2 b d) \int \frac {a+b \coth ^{-1}(c+d x)}{(e+f x) \left (1-(c+d x)^2\right )} \, dx}{f} \\ & = -\frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{f (e+f x)}+\frac {(2 b d) \int \frac {a+b \coth ^{-1}(c+d x)}{(e+f x) \left (1-c^2-2 c d x-d^2 x^2\right )} \, dx}{f} \\ & = -\frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{f (e+f x)}+\frac {(2 b) \text {Subst}\left (\int \frac {a+b \coth ^{-1}(x)}{\left (\frac {d e-c f}{d}+\frac {f x}{d}\right ) \left (1-x^2\right )} \, dx,x,c+d x\right )}{f} \\ & = -\frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{f (e+f x)}+\frac {(2 b) \text {Subst}\left (\int \frac {d \left (a+b \coth ^{-1}(x)\right )}{(d e-c f+f x) \left (1-x^2\right )} \, dx,x,c+d x\right )}{f} \\ & = -\frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{f (e+f x)}+\frac {(2 b d) \text {Subst}\left (\int \frac {a+b \coth ^{-1}(x)}{(d e-c f+f x) \left (1-x^2\right )} \, dx,x,c+d x\right )}{f} \\ & = -\frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{f (e+f x)}+\frac {(2 b d) \text {Subst}\left (\int \left (-\frac {a}{(-1+x) (1+x) (d e-c f+f x)}-\frac {b \coth ^{-1}(x)}{(-1+x) (1+x) (d e-c f+f x)}\right ) \, dx,x,c+d x\right )}{f} \\ & = -\frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{f (e+f x)}-\frac {(2 a b d) \text {Subst}\left (\int \frac {1}{(-1+x) (1+x) (d e-c f+f x)} \, dx,x,c+d x\right )}{f}-\frac {\left (2 b^2 d\right ) \text {Subst}\left (\int \frac {\coth ^{-1}(x)}{(-1+x) (1+x) (d e-c f+f x)} \, dx,x,c+d x\right )}{f} \\ & = -\frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{f (e+f x)}-\frac {(2 a b d) \text {Subst}\left (\int \left (\frac {1}{2 (d e+f-c f) (-1+x)}+\frac {1}{2 (-d e+(1+c) f) (1+x)}+\frac {f^2}{(d e+(1-c) f) (d e-f-c f) (d e-c f+f x)}\right ) \, dx,x,c+d x\right )}{f}-\frac {\left (2 b^2 d\right ) \text {Subst}\left (\int \left (\frac {\coth ^{-1}(x)}{2 (d e+f-c f) (-1+x)}+\frac {\coth ^{-1}(x)}{2 (-d e+(1+c) f) (1+x)}+\frac {f^2 \coth ^{-1}(x)}{(d e+(1-c) f) (d e-f-c f) (d e-c f+f x)}\right ) \, dx,x,c+d x\right )}{f} \\ & = -\frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{f (e+f x)}-\frac {a b d \log (1-c-d x)}{f (d e+f-c f)}+\frac {a b d \log (1+c+d x)}{f (d e-f-c f)}-\frac {2 a b d \log (e+f x)}{(d e+f-c f) (d e-(1+c) f)}+\frac {\left (b^2 d\right ) \text {Subst}\left (\int \frac {\coth ^{-1}(x)}{1+x} \, dx,x,c+d x\right )}{f (d e-f-c f)}-\frac {\left (b^2 d\right ) \text {Subst}\left (\int \frac {\coth ^{-1}(x)}{-1+x} \, dx,x,c+d x\right )}{f (d e+f-c f)}-\frac {\left (2 b^2 d f\right ) \text {Subst}\left (\int \frac {\coth ^{-1}(x)}{d e-c f+f x} \, dx,x,c+d x\right )}{(d e+f-c f) (d e-(1+c) f)} \\ & = -\frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{f (e+f x)}+\frac {b^2 d \coth ^{-1}(c+d x) \log \left (\frac {2}{1-c-d x}\right )}{f (d e+f-c f)}-\frac {a b d \log (1-c-d x)}{f (d e+f-c f)}-\frac {b^2 d \coth ^{-1}(c+d x) \log \left (\frac {2}{1+c+d x}\right )}{f (d e-f-c f)}+\frac {2 b^2 d \coth ^{-1}(c+d x) \log \left (\frac {2}{1+c+d x}\right )}{(d e+f-c f) (d e-(1+c) f)}+\frac {a b d \log (1+c+d x)}{f (d e-f-c f)}-\frac {2 a b d \log (e+f x)}{(d e+f-c f) (d e-(1+c) f)}-\frac {2 b^2 d \coth ^{-1}(c+d x) \log \left (\frac {2 d (e+f x)}{(d e+f-c f) (1+c+d x)}\right )}{(d e+f-c f) (d e-(1+c) f)}+\frac {\left (b^2 d\right ) \text {Subst}\left (\int \frac {\log \left (\frac {2}{1+x}\right )}{1-x^2} \, dx,x,c+d x\right )}{f (d e-f-c f)}-\frac {\left (b^2 d\right ) \text {Subst}\left (\int \frac {\log \left (\frac {2}{1-x}\right )}{1-x^2} \, dx,x,c+d x\right )}{f (d e+f-c f)}-\frac {\left (2 b^2 d\right ) \text {Subst}\left (\int \frac {\log \left (\frac {2}{1+x}\right )}{1-x^2} \, dx,x,c+d x\right )}{(d e+f-c f) (d e-(1+c) f)}+\frac {\left (2 b^2 d\right ) \text {Subst}\left (\int \frac {\log \left (\frac {2 (d e-c f+f x)}{(d e+f-c f) (1+x)}\right )}{1-x^2} \, dx,x,c+d x\right )}{(d e+f-c f) (d e-(1+c) f)} \\ & = -\frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{f (e+f x)}+\frac {b^2 d \coth ^{-1}(c+d x) \log \left (\frac {2}{1-c-d x}\right )}{f (d e+f-c f)}-\frac {a b d \log (1-c-d x)}{f (d e+f-c f)}-\frac {b^2 d \coth ^{-1}(c+d x) \log \left (\frac {2}{1+c+d x}\right )}{f (d e-f-c f)}+\frac {2 b^2 d \coth ^{-1}(c+d x) \log \left (\frac {2}{1+c+d x}\right )}{(d e+f-c f) (d e-(1+c) f)}+\frac {a b d \log (1+c+d x)}{f (d e-f-c f)}-\frac {2 a b d \log (e+f x)}{(d e+f-c f) (d e-(1+c) f)}-\frac {2 b^2 d \coth ^{-1}(c+d x) \log \left (\frac {2 d (e+f x)}{(d e+f-c f) (1+c+d x)}\right )}{(d e+f-c f) (d e-(1+c) f)}+\frac {b^2 d \operatorname {PolyLog}\left (2,1-\frac {2 d (e+f x)}{(d e+f-c f) (1+c+d x)}\right )}{(d e+f-c f) (d e-(1+c) f)}+\frac {\left (b^2 d\right ) \text {Subst}\left (\int \frac {\log (2 x)}{1-2 x} \, dx,x,\frac {1}{1+c+d x}\right )}{f (d e-f-c f)}+\frac {\left (b^2 d\right ) \text {Subst}\left (\int \frac {\log (2 x)}{1-2 x} \, dx,x,\frac {1}{1-c-d x}\right )}{f (d e+f-c f)}-\frac {\left (2 b^2 d\right ) \text {Subst}\left (\int \frac {\log (2 x)}{1-2 x} \, dx,x,\frac {1}{1+c+d x}\right )}{(d e+f-c f) (d e-(1+c) f)} \\ & = -\frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{f (e+f x)}+\frac {b^2 d \coth ^{-1}(c+d x) \log \left (\frac {2}{1-c-d x}\right )}{f (d e+f-c f)}-\frac {a b d \log (1-c-d x)}{f (d e+f-c f)}-\frac {b^2 d \coth ^{-1}(c+d x) \log \left (\frac {2}{1+c+d x}\right )}{f (d e-f-c f)}+\frac {2 b^2 d \coth ^{-1}(c+d x) \log \left (\frac {2}{1+c+d x}\right )}{(d e+f-c f) (d e-(1+c) f)}+\frac {a b d \log (1+c+d x)}{f (d e-f-c f)}-\frac {2 a b d \log (e+f x)}{(d e+f-c f) (d e-(1+c) f)}-\frac {2 b^2 d \coth ^{-1}(c+d x) \log \left (\frac {2 d (e+f x)}{(d e+f-c f) (1+c+d x)}\right )}{(d e+f-c f) (d e-(1+c) f)}+\frac {b^2 d \operatorname {PolyLog}\left (2,1-\frac {2}{1-c-d x}\right )}{2 f (d e+f-c f)}+\frac {b^2 d \operatorname {PolyLog}\left (2,1-\frac {2}{1+c+d x}\right )}{2 f (d e-f-c f)}-\frac {b^2 d \operatorname {PolyLog}\left (2,1-\frac {2}{1+c+d x}\right )}{(d e+f-c f) (d e-(1+c) f)}+\frac {b^2 d \operatorname {PolyLog}\left (2,1-\frac {2 d (e+f x)}{(d e+f-c f) (1+c+d x)}\right )}{(d e+f-c f) (d e-(1+c) f)} \\ \end{align*}
Result contains complex when optimal does not.
Time = 5.99 (sec) , antiderivative size = 470, normalized size of antiderivative = 0.98 \[ \int \frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{(e+f x)^2} \, dx=\frac {-\frac {a^2}{f}+\frac {2 a b \left (\left (f-c^2 f+d^2 e x+c d (e-f x)\right ) \coth ^{-1}(c+d x)-d (e+f x) \log \left (-\frac {d (e+f x)}{(c+d x) \sqrt {1-\frac {1}{(c+d x)^2}}}\right )\right )}{(d e+f-c f) (d e-(1+c) f)}+\frac {b^2 d (e+f x) \left (1-(c+d x)^2\right ) \left (\frac {e^{\text {arctanh}\left (\frac {f}{-d e+c f}\right )} \coth ^{-1}(c+d x)^2}{(-d e+c f) \sqrt {1-\frac {f^2}{(d e-c f)^2}}}+\frac {\coth ^{-1}(c+d x)^2}{d e+d f x}+\frac {f \left (-i \pi \log \left (1+e^{2 \coth ^{-1}(c+d x)}\right )-2 \text {arctanh}\left (\frac {f}{-d e+c f}\right ) \log \left (1-e^{-2 \left (\coth ^{-1}(c+d x)+\text {arctanh}\left (\frac {f}{d e-c f}\right )\right )}\right )+\coth ^{-1}(c+d x) \left (i \pi +2 \text {arctanh}\left (\frac {f}{d e-c f}\right )+2 \log \left (1-e^{-2 \left (\coth ^{-1}(c+d x)+\text {arctanh}\left (\frac {f}{d e-c f}\right )\right )}\right )\right )+i \pi \log \left (\frac {1}{\sqrt {1-\frac {1}{(c+d x)^2}}}\right )+2 \text {arctanh}\left (\frac {f}{-d e+c f}\right ) \log \left (i \sinh \left (\coth ^{-1}(c+d x)+\text {arctanh}\left (\frac {f}{d e-c f}\right )\right )\right )-\operatorname {PolyLog}\left (2,e^{-2 \left (\coth ^{-1}(c+d x)+\text {arctanh}\left (\frac {f}{d e-c f}\right )\right )}\right )\right )}{d^2 e^2-2 c d e f+\left (-1+c^2\right ) f^2}\right )}{(c+d x)^2 \left (f-\frac {f}{(c+d x)^2}\right )}}{e+f x} \]
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Time = 1.18 (sec) , antiderivative size = 590, normalized size of antiderivative = 1.23
method | result | size |
parts | \(-\frac {a^{2}}{\left (f x +e \right ) f}+\frac {b^{2} \left (-\frac {d^{2} \operatorname {arccoth}\left (d x +c \right )^{2}}{\left (f \left (d x +c \right )-c f +d e \right ) f}-\frac {2 d^{2} \left (\frac {\operatorname {arccoth}\left (d x +c \right ) f \ln \left (f \left (d x +c \right )-c f +d e \right )}{\left (c f -d e -f \right ) \left (c f -d e +f \right )}-\frac {\operatorname {arccoth}\left (d x +c \right ) \ln \left (d x +c -1\right )}{2 c f -2 d e -2 f}+\frac {\operatorname {arccoth}\left (d x +c \right ) \ln \left (d x +c +1\right )}{2 c f -2 d e +2 f}+\frac {\frac {f \left (\operatorname {dilog}\left (\frac {f \left (d x +c \right )-f}{c f -d e -f}\right )+\ln \left (f \left (d x +c \right )-c f +d e \right ) \ln \left (\frac {f \left (d x +c \right )-f}{c f -d e -f}\right )\right )}{2}-\frac {f \left (\operatorname {dilog}\left (\frac {f \left (d x +c \right )+f}{c f -d e +f}\right )+\ln \left (f \left (d x +c \right )-c f +d e \right ) \ln \left (\frac {f \left (d x +c \right )+f}{c f -d e +f}\right )\right )}{2}}{\left (c f -d e -f \right ) \left (c f -d e +f \right )}-\frac {\frac {\ln \left (d x +c -1\right )^{2}}{4}-\frac {\operatorname {dilog}\left (\frac {d x}{2}+\frac {c}{2}+\frac {1}{2}\right )}{2}-\frac {\ln \left (d x +c -1\right ) \ln \left (\frac {d x}{2}+\frac {c}{2}+\frac {1}{2}\right )}{2}}{2 \left (c f -d e -f \right )}+\frac {-\frac {\ln \left (d x +c +1\right )^{2}}{4}+\frac {\left (\ln \left (d x +c +1\right )-\ln \left (\frac {d x}{2}+\frac {c}{2}+\frac {1}{2}\right )\right ) \ln \left (-\frac {d x}{2}-\frac {c}{2}+\frac {1}{2}\right )}{2}-\frac {\operatorname {dilog}\left (\frac {d x}{2}+\frac {c}{2}+\frac {1}{2}\right )}{2}}{2 c f -2 d e +2 f}\right )}{f}\right )}{d}-\frac {2 a b d \,\operatorname {arccoth}\left (d x +c \right )}{\left (d f x +d e \right ) f}-\frac {2 a b d \ln \left (f \left (d x +c \right )-c f +d e \right )}{\left (c f -d e -f \right ) \left (c f -d e +f \right )}+\frac {2 a b d \ln \left (d x +c -1\right )}{f \left (2 c f -2 d e -2 f \right )}-\frac {2 a b d \ln \left (d x +c +1\right )}{f \left (2 c f -2 d e +2 f \right )}\) | \(590\) |
derivativedivides | \(\frac {\frac {a^{2} d^{2}}{\left (c f -d e -f \left (d x +c \right )\right ) f}+b^{2} d^{2} \left (\frac {\operatorname {arccoth}\left (d x +c \right )^{2}}{\left (c f -d e -f \left (d x +c \right )\right ) f}+\frac {-\frac {2 \,\operatorname {arccoth}\left (d x +c \right ) f \ln \left (c f -d e -f \left (d x +c \right )\right )}{\left (c f -d e -f \right ) \left (c f -d e +f \right )}-\frac {2 \,\operatorname {arccoth}\left (d x +c \right ) \ln \left (d x +c +1\right )}{2 c f -2 d e +2 f}+\frac {2 \,\operatorname {arccoth}\left (d x +c \right ) \ln \left (d x +c -1\right )}{2 c f -2 d e -2 f}+\frac {2 \left (\frac {\ln \left (d x +c -1\right )^{2}}{4}-\frac {\operatorname {dilog}\left (\frac {d x}{2}+\frac {c}{2}+\frac {1}{2}\right )}{2}-\frac {\ln \left (d x +c -1\right ) \ln \left (\frac {d x}{2}+\frac {c}{2}+\frac {1}{2}\right )}{2}\right )}{2 c f -2 d e -2 f}-\frac {-\frac {\ln \left (d x +c +1\right )^{2}}{4}+\frac {\left (\ln \left (d x +c +1\right )-\ln \left (\frac {d x}{2}+\frac {c}{2}+\frac {1}{2}\right )\right ) \ln \left (-\frac {d x}{2}-\frac {c}{2}+\frac {1}{2}\right )}{2}-\frac {\operatorname {dilog}\left (\frac {d x}{2}+\frac {c}{2}+\frac {1}{2}\right )}{2}}{c f -d e +f}+\frac {2 \left (-\frac {f \left (\operatorname {dilog}\left (\frac {-f \left (d x +c \right )+f}{-c f +d e +f}\right )+\ln \left (c f -d e -f \left (d x +c \right )\right ) \ln \left (\frac {-f \left (d x +c \right )+f}{-c f +d e +f}\right )\right )}{2}+\frac {f \left (\operatorname {dilog}\left (\frac {-f \left (d x +c \right )-f}{-c f +d e -f}\right )+\ln \left (c f -d e -f \left (d x +c \right )\right ) \ln \left (\frac {-f \left (d x +c \right )-f}{-c f +d e -f}\right )\right )}{2}\right )}{\left (c f -d e -f \right ) \left (c f -d e +f \right )}}{f}\right )+2 a b \,d^{2} \left (\frac {\operatorname {arccoth}\left (d x +c \right )}{\left (c f -d e -f \left (d x +c \right )\right ) f}+\frac {\frac {\ln \left (d x +c -1\right )}{2 c f -2 d e -2 f}-\frac {f \ln \left (c f -d e -f \left (d x +c \right )\right )}{\left (c f -d e -f \right ) \left (c f -d e +f \right )}-\frac {\ln \left (d x +c +1\right )}{2 c f -2 d e +2 f}}{f}\right )}{d}\) | \(612\) |
default | \(\frac {\frac {a^{2} d^{2}}{\left (c f -d e -f \left (d x +c \right )\right ) f}+b^{2} d^{2} \left (\frac {\operatorname {arccoth}\left (d x +c \right )^{2}}{\left (c f -d e -f \left (d x +c \right )\right ) f}+\frac {-\frac {2 \,\operatorname {arccoth}\left (d x +c \right ) f \ln \left (c f -d e -f \left (d x +c \right )\right )}{\left (c f -d e -f \right ) \left (c f -d e +f \right )}-\frac {2 \,\operatorname {arccoth}\left (d x +c \right ) \ln \left (d x +c +1\right )}{2 c f -2 d e +2 f}+\frac {2 \,\operatorname {arccoth}\left (d x +c \right ) \ln \left (d x +c -1\right )}{2 c f -2 d e -2 f}+\frac {2 \left (\frac {\ln \left (d x +c -1\right )^{2}}{4}-\frac {\operatorname {dilog}\left (\frac {d x}{2}+\frac {c}{2}+\frac {1}{2}\right )}{2}-\frac {\ln \left (d x +c -1\right ) \ln \left (\frac {d x}{2}+\frac {c}{2}+\frac {1}{2}\right )}{2}\right )}{2 c f -2 d e -2 f}-\frac {-\frac {\ln \left (d x +c +1\right )^{2}}{4}+\frac {\left (\ln \left (d x +c +1\right )-\ln \left (\frac {d x}{2}+\frac {c}{2}+\frac {1}{2}\right )\right ) \ln \left (-\frac {d x}{2}-\frac {c}{2}+\frac {1}{2}\right )}{2}-\frac {\operatorname {dilog}\left (\frac {d x}{2}+\frac {c}{2}+\frac {1}{2}\right )}{2}}{c f -d e +f}+\frac {2 \left (-\frac {f \left (\operatorname {dilog}\left (\frac {-f \left (d x +c \right )+f}{-c f +d e +f}\right )+\ln \left (c f -d e -f \left (d x +c \right )\right ) \ln \left (\frac {-f \left (d x +c \right )+f}{-c f +d e +f}\right )\right )}{2}+\frac {f \left (\operatorname {dilog}\left (\frac {-f \left (d x +c \right )-f}{-c f +d e -f}\right )+\ln \left (c f -d e -f \left (d x +c \right )\right ) \ln \left (\frac {-f \left (d x +c \right )-f}{-c f +d e -f}\right )\right )}{2}\right )}{\left (c f -d e -f \right ) \left (c f -d e +f \right )}}{f}\right )+2 a b \,d^{2} \left (\frac {\operatorname {arccoth}\left (d x +c \right )}{\left (c f -d e -f \left (d x +c \right )\right ) f}+\frac {\frac {\ln \left (d x +c -1\right )}{2 c f -2 d e -2 f}-\frac {f \ln \left (c f -d e -f \left (d x +c \right )\right )}{\left (c f -d e -f \right ) \left (c f -d e +f \right )}-\frac {\ln \left (d x +c +1\right )}{2 c f -2 d e +2 f}}{f}\right )}{d}\) | \(612\) |
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\[ \int \frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{(e+f x)^2} \, dx=\int { \frac {{\left (b \operatorname {arcoth}\left (d x + c\right ) + a\right )}^{2}}{{\left (f x + e\right )}^{2}} \,d x } \]
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\[ \int \frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{(e+f x)^2} \, dx=\int \frac {\left (a + b \operatorname {acoth}{\left (c + d x \right )}\right )^{2}}{\left (e + f x\right )^{2}}\, dx \]
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\[ \int \frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{(e+f x)^2} \, dx=\int { \frac {{\left (b \operatorname {arcoth}\left (d x + c\right ) + a\right )}^{2}}{{\left (f x + e\right )}^{2}} \,d x } \]
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\[ \int \frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{(e+f x)^2} \, dx=\int { \frac {{\left (b \operatorname {arcoth}\left (d x + c\right ) + a\right )}^{2}}{{\left (f x + e\right )}^{2}} \,d x } \]
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Timed out. \[ \int \frac {\left (a+b \coth ^{-1}(c+d x)\right )^2}{(e+f x)^2} \, dx=\int \frac {{\left (a+b\,\mathrm {acoth}\left (c+d\,x\right )\right )}^2}{{\left (e+f\,x\right )}^2} \,d x \]
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