Optimal. Leaf size=125 \[ \frac {2 a (b B-c C) \tanh ^{-1}\left (\frac {c-(a-b) \tanh \left (\frac {x}{2}\right )}{\sqrt {a^2-b^2+c^2}}\right )}{\left (b^2-c^2\right ) \sqrt {a^2-b^2+c^2}}-\frac {(B c-b C) \log (a+b \cosh (x)+c \sinh (x))}{b^2-c^2}+\frac {x (b B-c C)}{b^2-c^2} \]
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Rubi [A] time = 0.14, antiderivative size = 125, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {3136, 3124, 618, 206} \[ \frac {2 a (b B-c C) \tanh ^{-1}\left (\frac {c-(a-b) \tanh \left (\frac {x}{2}\right )}{\sqrt {a^2-b^2+c^2}}\right )}{\left (b^2-c^2\right ) \sqrt {a^2-b^2+c^2}}-\frac {(B c-b C) \log (a+b \cosh (x)+c \sinh (x))}{b^2-c^2}+\frac {x (b B-c C)}{b^2-c^2} \]
Antiderivative was successfully verified.
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Rule 206
Rule 618
Rule 3124
Rule 3136
Rubi steps
\begin {align*} \int \frac {B \cosh (x)+C \sinh (x)}{a+b \cosh (x)+c \sinh (x)} \, dx &=\frac {(b B-c C) x}{b^2-c^2}-\frac {(B c-b C) \log (a+b \cosh (x)+c \sinh (x))}{b^2-c^2}-\frac {(a (b B-c C)) \int \frac {1}{a+b \cosh (x)+c \sinh (x)} \, dx}{b^2-c^2}\\ &=\frac {(b B-c C) x}{b^2-c^2}-\frac {(B c-b C) \log (a+b \cosh (x)+c \sinh (x))}{b^2-c^2}-\frac {(2 a (b B-c C)) \operatorname {Subst}\left (\int \frac {1}{a+b+2 c x-(a-b) x^2} \, dx,x,\tanh \left (\frac {x}{2}\right )\right )}{b^2-c^2}\\ &=\frac {(b B-c C) x}{b^2-c^2}-\frac {(B c-b C) \log (a+b \cosh (x)+c \sinh (x))}{b^2-c^2}+\frac {(4 a (b B-c C)) \operatorname {Subst}\left (\int \frac {1}{4 \left (a^2-b^2+c^2\right )-x^2} \, dx,x,2 c+2 (-a+b) \tanh \left (\frac {x}{2}\right )\right )}{b^2-c^2}\\ &=\frac {(b B-c C) x}{b^2-c^2}+\frac {2 a (b B-c C) \tanh ^{-1}\left (\frac {c-(a-b) \tanh \left (\frac {x}{2}\right )}{\sqrt {a^2-b^2+c^2}}\right )}{\left (b^2-c^2\right ) \sqrt {a^2-b^2+c^2}}-\frac {(B c-b C) \log (a+b \cosh (x)+c \sinh (x))}{b^2-c^2}\\ \end {align*}
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Mathematica [A] time = 0.35, size = 107, normalized size = 0.86 \[ \frac {-\frac {2 a (b B-c C) \tan ^{-1}\left (\frac {(b-a) \tanh \left (\frac {x}{2}\right )+c}{\sqrt {-a^2+b^2-c^2}}\right )}{\sqrt {-a^2+b^2-c^2}}+(b C-B c) \log (a+b \cosh (x)+c \sinh (x))+x (b B-c C)}{(b-c) (b+c)} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.48, size = 583, normalized size = 4.66 \[ \left [\frac {{\left (B a b - C a c\right )} \sqrt {a^{2} - b^{2} + c^{2}} \log \left (\frac {{\left (b^{2} + 2 \, b c + c^{2}\right )} \cosh \relax (x)^{2} + {\left (b^{2} + 2 \, b c + c^{2}\right )} \sinh \relax (x)^{2} + 2 \, a^{2} - b^{2} + c^{2} + 2 \, {\left (a b + a c\right )} \cosh \relax (x) + 2 \, {\left (a b + a c + {\left (b^{2} + 2 \, b c + c^{2}\right )} \cosh \relax (x)\right )} \sinh \relax (x) + 2 \, \sqrt {a^{2} - b^{2} + c^{2}} {\left ({\left (b + c\right )} \cosh \relax (x) + {\left (b + c\right )} \sinh \relax (x) + a\right )}}{{\left (b + c\right )} \cosh \relax (x)^{2} + {\left (b + c\right )} \sinh \relax (x)^{2} + 2 \, a \cosh \relax (x) + 2 \, {\left ({\left (b + c\right )} \cosh \relax (x) + a\right )} \sinh \relax (x) + b - c}\right ) + {\left ({\left (B - C\right )} a^{2} b - {\left (B - C\right )} b^{3} + {\left (B - C\right )} b c^{2} + {\left (B - C\right )} c^{3} + {\left ({\left (B - C\right )} a^{2} - {\left (B - C\right )} b^{2}\right )} c\right )} x + {\left (C a^{2} b - C b^{3} + C b c^{2} - B c^{3} - {\left (B a^{2} - B b^{2}\right )} c\right )} \log \left (\frac {2 \, {\left (b \cosh \relax (x) + c \sinh \relax (x) + a\right )}}{\cosh \relax (x) - \sinh \relax (x)}\right )}{a^{2} b^{2} - b^{4} - c^{4} - {\left (a^{2} - 2 \, b^{2}\right )} c^{2}}, -\frac {2 \, {\left (B a b - C a c\right )} \sqrt {-a^{2} + b^{2} - c^{2}} \arctan \left (\frac {\sqrt {-a^{2} + b^{2} - c^{2}} {\left ({\left (b + c\right )} \cosh \relax (x) + {\left (b + c\right )} \sinh \relax (x) + a\right )}}{a^{2} - b^{2} + c^{2}}\right ) - {\left ({\left (B - C\right )} a^{2} b - {\left (B - C\right )} b^{3} + {\left (B - C\right )} b c^{2} + {\left (B - C\right )} c^{3} + {\left ({\left (B - C\right )} a^{2} - {\left (B - C\right )} b^{2}\right )} c\right )} x - {\left (C a^{2} b - C b^{3} + C b c^{2} - B c^{3} - {\left (B a^{2} - B b^{2}\right )} c\right )} \log \left (\frac {2 \, {\left (b \cosh \relax (x) + c \sinh \relax (x) + a\right )}}{\cosh \relax (x) - \sinh \relax (x)}\right )}{a^{2} b^{2} - b^{4} - c^{4} - {\left (a^{2} - 2 \, b^{2}\right )} c^{2}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.14, size = 125, normalized size = 1.00 \[ \frac {{\left (B - C\right )} x}{b - c} + \frac {{\left (C b - B c\right )} \log \left (b e^{\left (2 \, x\right )} + c e^{\left (2 \, x\right )} + 2 \, a e^{x} + b - c\right )}{b^{2} - c^{2}} - \frac {2 \, {\left (B a b - C a c\right )} \arctan \left (\frac {b e^{x} + c e^{x} + a}{\sqrt {-a^{2} + b^{2} - c^{2}}}\right )}{\sqrt {-a^{2} + b^{2} - c^{2}} {\left (b^{2} - c^{2}\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.20, size = 873, normalized size = 6.98 \[ -\frac {2 B \ln \left (\tanh \left (\frac {x}{2}\right )-1\right )}{2 b +2 c}-\frac {2 C \ln \left (\tanh \left (\frac {x}{2}\right )-1\right )}{2 b +2 c}-\frac {\ln \left (a \left (\tanh ^{2}\left (\frac {x}{2}\right )\right )-\left (\tanh ^{2}\left (\frac {x}{2}\right )\right ) b -2 c \tanh \left (\frac {x}{2}\right )-a -b \right ) a B c}{\left (b -c \right ) \left (b +c \right ) \left (a -b \right )}+\frac {\ln \left (a \left (\tanh ^{2}\left (\frac {x}{2}\right )\right )-\left (\tanh ^{2}\left (\frac {x}{2}\right )\right ) b -2 c \tanh \left (\frac {x}{2}\right )-a -b \right ) b B c}{\left (b -c \right ) \left (b +c \right ) \left (a -b \right )}+\frac {\ln \left (a \left (\tanh ^{2}\left (\frac {x}{2}\right )\right )-\left (\tanh ^{2}\left (\frac {x}{2}\right )\right ) b -2 c \tanh \left (\frac {x}{2}\right )-a -b \right ) a b C}{\left (b -c \right ) \left (b +c \right ) \left (a -b \right )}-\frac {\ln \left (a \left (\tanh ^{2}\left (\frac {x}{2}\right )\right )-\left (\tanh ^{2}\left (\frac {x}{2}\right )\right ) b -2 c \tanh \left (\frac {x}{2}\right )-a -b \right ) C \,b^{2}}{\left (b -c \right ) \left (b +c \right ) \left (a -b \right )}+\frac {2 \arctan \left (\frac {2 \left (a -b \right ) \tanh \left (\frac {x}{2}\right )-2 c}{2 \sqrt {-a^{2}+b^{2}-c^{2}}}\right ) b B a}{\left (b -c \right ) \left (b +c \right ) \sqrt {-a^{2}+b^{2}-c^{2}}}+\frac {2 \arctan \left (\frac {2 \left (a -b \right ) \tanh \left (\frac {x}{2}\right )-2 c}{2 \sqrt {-a^{2}+b^{2}-c^{2}}}\right ) B \,c^{2}}{\left (b -c \right ) \left (b +c \right ) \sqrt {-a^{2}+b^{2}-c^{2}}}-\frac {2 \arctan \left (\frac {2 \left (a -b \right ) \tanh \left (\frac {x}{2}\right )-2 c}{2 \sqrt {-a^{2}+b^{2}-c^{2}}}\right ) a c C}{\left (b -c \right ) \left (b +c \right ) \sqrt {-a^{2}+b^{2}-c^{2}}}-\frac {2 \arctan \left (\frac {2 \left (a -b \right ) \tanh \left (\frac {x}{2}\right )-2 c}{2 \sqrt {-a^{2}+b^{2}-c^{2}}}\right ) C c b}{\left (b -c \right ) \left (b +c \right ) \sqrt {-a^{2}+b^{2}-c^{2}}}-\frac {2 \arctan \left (\frac {2 \left (a -b \right ) \tanh \left (\frac {x}{2}\right )-2 c}{2 \sqrt {-a^{2}+b^{2}-c^{2}}}\right ) c^{2} a B}{\left (b -c \right ) \left (b +c \right ) \sqrt {-a^{2}+b^{2}-c^{2}}\, \left (a -b \right )}+\frac {2 \arctan \left (\frac {2 \left (a -b \right ) \tanh \left (\frac {x}{2}\right )-2 c}{2 \sqrt {-a^{2}+b^{2}-c^{2}}}\right ) c^{2} b B}{\left (b -c \right ) \left (b +c \right ) \sqrt {-a^{2}+b^{2}-c^{2}}\, \left (a -b \right )}+\frac {2 \arctan \left (\frac {2 \left (a -b \right ) \tanh \left (\frac {x}{2}\right )-2 c}{2 \sqrt {-a^{2}+b^{2}-c^{2}}}\right ) c a b C}{\left (b -c \right ) \left (b +c \right ) \sqrt {-a^{2}+b^{2}-c^{2}}\, \left (a -b \right )}-\frac {2 \arctan \left (\frac {2 \left (a -b \right ) \tanh \left (\frac {x}{2}\right )-2 c}{2 \sqrt {-a^{2}+b^{2}-c^{2}}}\right ) c C \,b^{2}}{\left (b -c \right ) \left (b +c \right ) \sqrt {-a^{2}+b^{2}-c^{2}}\, \left (a -b \right )}+\frac {2 B \ln \left (\tanh \left (\frac {x}{2}\right )+1\right )}{2 b -2 c}-\frac {2 C \ln \left (\tanh \left (\frac {x}{2}\right )+1\right )}{2 b -2 c} \]
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 \[ \text {Exception raised: ValueError} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.70, size = 376, normalized size = 3.01 \[ \frac {\ln \left (b\,\sqrt {a^2-b^2+c^2}-c\,\sqrt {a^2-b^2+c^2}+a^2\,{\mathrm {e}}^x-b^2\,{\mathrm {e}}^x+c^2\,{\mathrm {e}}^x+a\,{\mathrm {e}}^x\,\sqrt {a^2-b^2+c^2}\right )\,\left (B\,c^3+C\,b^3+B\,a^2\,c-C\,a^2\,b-B\,b^2\,c-C\,b\,c^2+B\,a\,b\,\sqrt {a^2-b^2+c^2}-C\,a\,c\,\sqrt {a^2-b^2+c^2}\right )}{-a^2\,b^2+a^2\,c^2+b^4-2\,b^2\,c^2+c^4}+\frac {\ln \left (b\,\sqrt {a^2-b^2+c^2}-c\,\sqrt {a^2-b^2+c^2}-a^2\,{\mathrm {e}}^x+b^2\,{\mathrm {e}}^x-c^2\,{\mathrm {e}}^x+a\,{\mathrm {e}}^x\,\sqrt {a^2-b^2+c^2}\right )\,\left (B\,c^3+C\,b^3+B\,a^2\,c-C\,a^2\,b-B\,b^2\,c-C\,b\,c^2-B\,a\,b\,\sqrt {a^2-b^2+c^2}+C\,a\,c\,\sqrt {a^2-b^2+c^2}\right )}{-a^2\,b^2+a^2\,c^2+b^4-2\,b^2\,c^2+c^4}+\frac {x\,\left (B-C\right )}{b-c} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
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