Optimal. Leaf size=80 \[ \frac {b B x}{b^2-c^2}+\frac {A \text {ArcTan}\left (\frac {c \cosh (x)+b \sinh (x)}{\sqrt {b^2-c^2}}\right )}{\sqrt {b^2-c^2}}-\frac {B c \log (b \cosh (x)+c \sinh (x))}{b^2-c^2} \]
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Rubi [A]
time = 0.05, antiderivative size = 80, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 3, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {3217, 3153,
212} \begin {gather*} \frac {A \text {ArcTan}\left (\frac {b \sinh (x)+c \cosh (x)}{\sqrt {b^2-c^2}}\right )}{\sqrt {b^2-c^2}}+\frac {b B x}{b^2-c^2}-\frac {B c \log (b \cosh (x)+c \sinh (x))}{b^2-c^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 212
Rule 3153
Rule 3217
Rubi steps
\begin {align*} \int \frac {A+B \cosh (x)}{b \cosh (x)+c \sinh (x)} \, dx &=\frac {b B x}{b^2-c^2}-\frac {B c \log (b \cosh (x)+c \sinh (x))}{b^2-c^2}+A \int \frac {1}{b \cosh (x)+c \sinh (x)} \, dx\\ &=\frac {b B x}{b^2-c^2}-\frac {B c \log (b \cosh (x)+c \sinh (x))}{b^2-c^2}+(i A) \text {Subst}\left (\int \frac {1}{b^2-c^2-x^2} \, dx,x,-i c \cosh (x)-i b \sinh (x)\right )\\ &=\frac {b B x}{b^2-c^2}+\frac {A \tan ^{-1}\left (\frac {c \cosh (x)+b \sinh (x)}{\sqrt {b^2-c^2}}\right )}{\sqrt {b^2-c^2}}-\frac {B c \log (b \cosh (x)+c \sinh (x))}{b^2-c^2}\\ \end {align*}
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Mathematica [A]
time = 0.11, size = 78, normalized size = 0.98 \begin {gather*} \frac {b B x+2 A \sqrt {b-c} \sqrt {b+c} \text {ArcTan}\left (\frac {c+b \tanh \left (\frac {x}{2}\right )}{\sqrt {b-c} \sqrt {b+c}}\right )-B c \log (b \cosh (x)+c \sinh (x))}{b^2-c^2} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 1.24, size = 126, normalized size = 1.58
method | result | size |
default | \(-\frac {2 B \ln \left (\tanh \left (\frac {x}{2}\right )-1\right )}{2 b +2 c}+\frac {-B c \ln \left (b \left (\tanh ^{2}\left (\frac {x}{2}\right )\right )+2 c \tanh \left (\frac {x}{2}\right )+b \right )+\frac {2 \left (A \,b^{2}-A \,c^{2}\right ) \arctan \left (\frac {2 b \tanh \left (\frac {x}{2}\right )+2 c}{2 \sqrt {b^{2}-c^{2}}}\right )}{\sqrt {b^{2}-c^{2}}}}{\left (b -c \right ) \left (b +c \right )}+\frac {2 B \ln \left (\tanh \left (\frac {x}{2}\right )+1\right )}{2 b -2 c}\) | \(126\) |
risch | \(\frac {B x}{b +c}+\frac {2 x B \,b^{2} c}{b^{4}-2 b^{2} c^{2}+c^{4}}-\frac {2 x B \,c^{3}}{b^{4}-2 b^{2} c^{2}+c^{4}}-\frac {\ln \left ({\mathrm e}^{x}+\frac {\sqrt {-A^{2} b^{2}+A^{2} c^{2}}}{A \left (b +c \right )}\right ) B c}{\left (b +c \right ) \left (b -c \right )}+\frac {\ln \left ({\mathrm e}^{x}+\frac {\sqrt {-A^{2} b^{2}+A^{2} c^{2}}}{A \left (b +c \right )}\right ) \sqrt {-A^{2} b^{2}+A^{2} c^{2}}}{\left (b +c \right ) \left (b -c \right )}-\frac {\ln \left ({\mathrm e}^{x}-\frac {\sqrt {-A^{2} b^{2}+A^{2} c^{2}}}{A \left (b +c \right )}\right ) B c}{\left (b +c \right ) \left (b -c \right )}-\frac {\ln \left ({\mathrm e}^{x}-\frac {\sqrt {-A^{2} b^{2}+A^{2} c^{2}}}{A \left (b +c \right )}\right ) \sqrt {-A^{2} b^{2}+A^{2} c^{2}}}{\left (b +c \right ) \left (b -c \right )}\) | \(280\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: ValueError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.38, size = 234, normalized size = 2.92 \begin {gather*} \left [-\frac {B c \log \left (\frac {2 \, {\left (b \cosh \left (x\right ) + c \sinh \left (x\right )\right )}}{\cosh \left (x\right ) - \sinh \left (x\right )}\right ) + \sqrt {-b^{2} + c^{2}} A \log \left (\frac {{\left (b + c\right )} \cosh \left (x\right )^{2} + 2 \, {\left (b + c\right )} \cosh \left (x\right ) \sinh \left (x\right ) + {\left (b + c\right )} \sinh \left (x\right )^{2} - 2 \, \sqrt {-b^{2} + c^{2}} {\left (\cosh \left (x\right ) + \sinh \left (x\right )\right )} - b + c}{{\left (b + c\right )} \cosh \left (x\right )^{2} + 2 \, {\left (b + c\right )} \cosh \left (x\right ) \sinh \left (x\right ) + {\left (b + c\right )} \sinh \left (x\right )^{2} + b - c}\right ) - {\left (B b + B c\right )} x}{b^{2} - c^{2}}, -\frac {B c \log \left (\frac {2 \, {\left (b \cosh \left (x\right ) + c \sinh \left (x\right )\right )}}{\cosh \left (x\right ) - \sinh \left (x\right )}\right ) + 2 \, \sqrt {b^{2} - c^{2}} A \arctan \left (\frac {\sqrt {b^{2} - c^{2}}}{{\left (b + c\right )} \cosh \left (x\right ) + {\left (b + c\right )} \sinh \left (x\right )}\right ) - {\left (B b + B c\right )} x}{b^{2} - c^{2}}\right ] \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 697 vs.
\(2 (66) = 132\).
time = 30.74, size = 697, normalized size = 8.71 \begin {gather*} \begin {cases} \tilde {\infty } \left (A \log {\left (\tanh {\left (\frac {x}{2} \right )} \right )} + B x - 2 B \log {\left (\tanh {\left (\frac {x}{2} \right )} + 1 \right )} + B \log {\left (\tanh {\left (\frac {x}{2} \right )} \right )}\right ) & \text {for}\: b = 0 \wedge c = 0 \\\frac {A \log {\left (\tanh {\left (\frac {x}{2} \right )} \right )} + B x - 2 B \log {\left (\tanh {\left (\frac {x}{2} \right )} + 1 \right )} + B \log {\left (\tanh {\left (\frac {x}{2} \right )} \right )}}{c} & \text {for}\: b = 0 \\- \frac {2 A}{- 2 c \sinh {\left (x \right )} + 2 c \cosh {\left (x \right )}} + \frac {B x \sinh {\left (x \right )}}{- 2 c \sinh {\left (x \right )} + 2 c \cosh {\left (x \right )}} - \frac {B x \cosh {\left (x \right )}}{- 2 c \sinh {\left (x \right )} + 2 c \cosh {\left (x \right )}} - \frac {B \cosh {\left (x \right )}}{- 2 c \sinh {\left (x \right )} + 2 c \cosh {\left (x \right )}} & \text {for}\: b = - c \\- \frac {2 A}{2 c \sinh {\left (x \right )} + 2 c \cosh {\left (x \right )}} + \frac {B x \sinh {\left (x \right )}}{2 c \sinh {\left (x \right )} + 2 c \cosh {\left (x \right )}} + \frac {B x \cosh {\left (x \right )}}{2 c \sinh {\left (x \right )} + 2 c \cosh {\left (x \right )}} - \frac {B \cosh {\left (x \right )}}{2 c \sinh {\left (x \right )} + 2 c \cosh {\left (x \right )}} & \text {for}\: b = c \\\frac {A b^{2} \log {\left (\tanh {\left (\frac {x}{2} \right )} + \frac {c}{b} - \frac {\sqrt {- b^{2} + c^{2}}}{b} \right )}}{b^{2} \sqrt {- b^{2} + c^{2}} - c^{2} \sqrt {- b^{2} + c^{2}}} - \frac {A b^{2} \log {\left (\tanh {\left (\frac {x}{2} \right )} + \frac {c}{b} + \frac {\sqrt {- b^{2} + c^{2}}}{b} \right )}}{b^{2} \sqrt {- b^{2} + c^{2}} - c^{2} \sqrt {- b^{2} + c^{2}}} - \frac {A c^{2} \log {\left (\tanh {\left (\frac {x}{2} \right )} + \frac {c}{b} - \frac {\sqrt {- b^{2} + c^{2}}}{b} \right )}}{b^{2} \sqrt {- b^{2} + c^{2}} - c^{2} \sqrt {- b^{2} + c^{2}}} + \frac {A c^{2} \log {\left (\tanh {\left (\frac {x}{2} \right )} + \frac {c}{b} + \frac {\sqrt {- b^{2} + c^{2}}}{b} \right )}}{b^{2} \sqrt {- b^{2} + c^{2}} - c^{2} \sqrt {- b^{2} + c^{2}}} + \frac {B b x \sqrt {- b^{2} + c^{2}}}{b^{2} \sqrt {- b^{2} + c^{2}} - c^{2} \sqrt {- b^{2} + c^{2}}} - \frac {B c x \sqrt {- b^{2} + c^{2}}}{b^{2} \sqrt {- b^{2} + c^{2}} - c^{2} \sqrt {- b^{2} + c^{2}}} + \frac {2 B c \sqrt {- b^{2} + c^{2}} \log {\left (\tanh {\left (\frac {x}{2} \right )} + 1 \right )}}{b^{2} \sqrt {- b^{2} + c^{2}} - c^{2} \sqrt {- b^{2} + c^{2}}} - \frac {B c \sqrt {- b^{2} + c^{2}} \log {\left (\tanh {\left (\frac {x}{2} \right )} + \frac {c}{b} - \frac {\sqrt {- b^{2} + c^{2}}}{b} \right )}}{b^{2} \sqrt {- b^{2} + c^{2}} - c^{2} \sqrt {- b^{2} + c^{2}}} - \frac {B c \sqrt {- b^{2} + c^{2}} \log {\left (\tanh {\left (\frac {x}{2} \right )} + \frac {c}{b} + \frac {\sqrt {- b^{2} + c^{2}}}{b} \right )}}{b^{2} \sqrt {- b^{2} + c^{2}} - c^{2} \sqrt {- b^{2} + c^{2}}} & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.41, size = 80, normalized size = 1.00 \begin {gather*} -\frac {B c \log \left (b e^{\left (2 \, x\right )} + c e^{\left (2 \, x\right )} + b - c\right )}{b^{2} - c^{2}} + \frac {2 \, A \arctan \left (\frac {b e^{x} + c e^{x}}{\sqrt {b^{2} - c^{2}}}\right )}{\sqrt {b^{2} - c^{2}}} + \frac {B x}{b - c} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 3.05, size = 177, normalized size = 2.21 \begin {gather*} \frac {2\,\mathrm {atan}\left (\frac {A\,{\mathrm {e}}^x\,\sqrt {b^2-c^2}}{b\,\sqrt {A^2}-c\,\sqrt {A^2}}\right )\,\sqrt {A^2}}{\sqrt {b^2-c^2}}+\frac {B\,x}{b-c}+\frac {B\,c^3\,\ln \left (4\,A^2\,b-4\,A^2\,c+4\,A^2\,b\,{\mathrm {e}}^{2\,x}+4\,A^2\,c\,{\mathrm {e}}^{2\,x}\right )}{b^4-2\,b^2\,c^2+c^4}-\frac {B\,b^2\,c\,\ln \left (4\,A^2\,b-4\,A^2\,c+4\,A^2\,b\,{\mathrm {e}}^{2\,x}+4\,A^2\,c\,{\mathrm {e}}^{2\,x}\right )}{b^4-2\,b^2\,c^2+c^4} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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