Optimal. Leaf size=134 \[ -\frac {\left (2 a A b-2 a^2 B-b^2 B\right ) x}{2 b^3}+\frac {2 a^2 (A b-a B) \text {ArcTan}\left (\frac {\sqrt {a-b} \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a+b}}\right )}{\sqrt {a-b} b^3 \sqrt {a+b} d}+\frac {(A b-a B) \sin (c+d x)}{b^2 d}+\frac {B \cos (c+d x) \sin (c+d x)}{2 b d} \]
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Rubi [A]
time = 0.20, antiderivative size = 134, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 5, integrand size = 31, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.161, Rules used = {3069, 3102,
2814, 2738, 211} \begin {gather*} \frac {2 a^2 (A b-a B) \text {ArcTan}\left (\frac {\sqrt {a-b} \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a+b}}\right )}{b^3 d \sqrt {a-b} \sqrt {a+b}}-\frac {x \left (-2 a^2 B+2 a A b-b^2 B\right )}{2 b^3}+\frac {(A b-a B) \sin (c+d x)}{b^2 d}+\frac {B \sin (c+d x) \cos (c+d x)}{2 b d} \end {gather*}
Antiderivative was successfully verified.
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Rule 211
Rule 2738
Rule 2814
Rule 3069
Rule 3102
Rubi steps
\begin {align*} \int \frac {\cos ^2(c+d x) (A+B \cos (c+d x))}{a+b \cos (c+d x)} \, dx &=\frac {B \cos (c+d x) \sin (c+d x)}{2 b d}+\frac {\int \frac {a B+b B \cos (c+d x)+2 (A b-a B) \cos ^2(c+d x)}{a+b \cos (c+d x)} \, dx}{2 b}\\ &=\frac {(A b-a B) \sin (c+d x)}{b^2 d}+\frac {B \cos (c+d x) \sin (c+d x)}{2 b d}+\frac {\int \frac {a b B-\left (2 a A b-2 a^2 B-b^2 B\right ) \cos (c+d x)}{a+b \cos (c+d x)} \, dx}{2 b^2}\\ &=-\frac {\left (2 a A b-2 a^2 B-b^2 B\right ) x}{2 b^3}+\frac {(A b-a B) \sin (c+d x)}{b^2 d}+\frac {B \cos (c+d x) \sin (c+d x)}{2 b d}+\frac {\left (a^2 (A b-a B)\right ) \int \frac {1}{a+b \cos (c+d x)} \, dx}{b^3}\\ &=-\frac {\left (2 a A b-2 a^2 B-b^2 B\right ) x}{2 b^3}+\frac {(A b-a B) \sin (c+d x)}{b^2 d}+\frac {B \cos (c+d x) \sin (c+d x)}{2 b d}+\frac {\left (2 a^2 (A b-a B)\right ) \text {Subst}\left (\int \frac {1}{a+b+(a-b) x^2} \, dx,x,\tan \left (\frac {1}{2} (c+d x)\right )\right )}{b^3 d}\\ &=-\frac {\left (2 a A b-2 a^2 B-b^2 B\right ) x}{2 b^3}+\frac {2 a^2 (A b-a B) \tan ^{-1}\left (\frac {\sqrt {a-b} \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {a+b}}\right )}{\sqrt {a-b} b^3 \sqrt {a+b} d}+\frac {(A b-a B) \sin (c+d x)}{b^2 d}+\frac {B \cos (c+d x) \sin (c+d x)}{2 b d}\\ \end {align*}
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Mathematica [A]
time = 0.35, size = 121, normalized size = 0.90 \begin {gather*} \frac {2 \left (-2 a A b+2 a^2 B+b^2 B\right ) (c+d x)+\frac {8 a^2 (-A b+a B) \tanh ^{-1}\left (\frac {(a-b) \tan \left (\frac {1}{2} (c+d x)\right )}{\sqrt {-a^2+b^2}}\right )}{\sqrt {-a^2+b^2}}+4 b (A b-a B) \sin (c+d x)+b^2 B \sin (2 (c+d x))}{4 b^3 d} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.23, size = 169, normalized size = 1.26
method | result | size |
derivativedivides | \(\frac {\frac {2 a^{2} \left (A b -a B \right ) \arctan \left (\frac {\tan \left (\frac {d x}{2}+\frac {c}{2}\right ) \left (a -b \right )}{\sqrt {\left (a -b \right ) \left (a +b \right )}}\right )}{b^{3} \sqrt {\left (a -b \right ) \left (a +b \right )}}-\frac {2 \left (\frac {\left (-A \,b^{2}+B a b +\frac {1}{2} B \,b^{2}\right ) \left (\tan ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\left (-A \,b^{2}+B a b -\frac {1}{2} B \,b^{2}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{\left (1+\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )^{2}}+\frac {\left (2 A a b -2 B \,a^{2}-B \,b^{2}\right ) \arctan \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{2}\right )}{b^{3}}}{d}\) | \(169\) |
default | \(\frac {\frac {2 a^{2} \left (A b -a B \right ) \arctan \left (\frac {\tan \left (\frac {d x}{2}+\frac {c}{2}\right ) \left (a -b \right )}{\sqrt {\left (a -b \right ) \left (a +b \right )}}\right )}{b^{3} \sqrt {\left (a -b \right ) \left (a +b \right )}}-\frac {2 \left (\frac {\left (-A \,b^{2}+B a b +\frac {1}{2} B \,b^{2}\right ) \left (\tan ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\left (-A \,b^{2}+B a b -\frac {1}{2} B \,b^{2}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{\left (1+\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )^{2}}+\frac {\left (2 A a b -2 B \,a^{2}-B \,b^{2}\right ) \arctan \left (\tan \left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{2}\right )}{b^{3}}}{d}\) | \(169\) |
risch | \(-\frac {x A a}{b^{2}}+\frac {x B \,a^{2}}{b^{3}}+\frac {B x}{2 b}-\frac {i {\mathrm e}^{i \left (d x +c \right )} A}{2 b d}+\frac {i {\mathrm e}^{i \left (d x +c \right )} a B}{2 b^{2} d}+\frac {i {\mathrm e}^{-i \left (d x +c \right )} A}{2 b d}-\frac {i {\mathrm e}^{-i \left (d x +c \right )} a B}{2 b^{2} d}-\frac {a^{2} \ln \left ({\mathrm e}^{i \left (d x +c \right )}+\frac {i a^{2}-i b^{2}+a \sqrt {-a^{2}+b^{2}}}{b \sqrt {-a^{2}+b^{2}}}\right ) A}{\sqrt {-a^{2}+b^{2}}\, d \,b^{2}}+\frac {a^{3} \ln \left ({\mathrm e}^{i \left (d x +c \right )}+\frac {i a^{2}-i b^{2}+a \sqrt {-a^{2}+b^{2}}}{b \sqrt {-a^{2}+b^{2}}}\right ) B}{\sqrt {-a^{2}+b^{2}}\, d \,b^{3}}+\frac {a^{2} \ln \left ({\mathrm e}^{i \left (d x +c \right )}+\frac {-i a^{2}+i b^{2}+a \sqrt {-a^{2}+b^{2}}}{\sqrt {-a^{2}+b^{2}}\, b}\right ) A}{\sqrt {-a^{2}+b^{2}}\, d \,b^{2}}-\frac {a^{3} \ln \left ({\mathrm e}^{i \left (d x +c \right )}+\frac {-i a^{2}+i b^{2}+a \sqrt {-a^{2}+b^{2}}}{\sqrt {-a^{2}+b^{2}}\, b}\right ) B}{\sqrt {-a^{2}+b^{2}}\, d \,b^{3}}+\frac {B \sin \left (2 d x +2 c \right )}{4 b d}\) | \(420\) |
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 = 0.41, size = 426, normalized size = 3.18 \begin {gather*} \left [\frac {{\left (2 \, B a^{4} - 2 \, A a^{3} b - B a^{2} b^{2} + 2 \, A a b^{3} - B b^{4}\right )} d x + {\left (B a^{3} - A a^{2} b\right )} \sqrt {-a^{2} + b^{2}} \log \left (\frac {2 \, a b \cos \left (d x + c\right ) + {\left (2 \, a^{2} - b^{2}\right )} \cos \left (d x + c\right )^{2} + 2 \, \sqrt {-a^{2} + b^{2}} {\left (a \cos \left (d x + c\right ) + b\right )} \sin \left (d x + c\right ) - a^{2} + 2 \, b^{2}}{b^{2} \cos \left (d x + c\right )^{2} + 2 \, a b \cos \left (d x + c\right ) + a^{2}}\right ) - {\left (2 \, B a^{3} b - 2 \, A a^{2} b^{2} - 2 \, B a b^{3} + 2 \, A b^{4} - {\left (B a^{2} b^{2} - B b^{4}\right )} \cos \left (d x + c\right )\right )} \sin \left (d x + c\right )}{2 \, {\left (a^{2} b^{3} - b^{5}\right )} d}, \frac {{\left (2 \, B a^{4} - 2 \, A a^{3} b - B a^{2} b^{2} + 2 \, A a b^{3} - B b^{4}\right )} d x - 2 \, {\left (B a^{3} - A a^{2} b\right )} \sqrt {a^{2} - b^{2}} \arctan \left (-\frac {a \cos \left (d x + c\right ) + b}{\sqrt {a^{2} - b^{2}} \sin \left (d x + c\right )}\right ) - {\left (2 \, B a^{3} b - 2 \, A a^{2} b^{2} - 2 \, B a b^{3} + 2 \, A b^{4} - {\left (B a^{2} b^{2} - B b^{4}\right )} \cos \left (d x + c\right )\right )} \sin \left (d x + c\right )}{2 \, {\left (a^{2} b^{3} - b^{5}\right )} d}\right ] \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] Timed out
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.46, size = 227, normalized size = 1.69 \begin {gather*} \frac {\frac {{\left (2 \, B a^{2} - 2 \, A a b + B b^{2}\right )} {\left (d x + c\right )}}{b^{3}} + \frac {4 \, {\left (B a^{3} - A a^{2} b\right )} {\left (\pi \left \lfloor \frac {d x + c}{2 \, \pi } + \frac {1}{2} \right \rfloor \mathrm {sgn}\left (-2 \, a + 2 \, b\right ) + \arctan \left (-\frac {a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )}{\sqrt {a^{2} - b^{2}}}\right )\right )}}{\sqrt {a^{2} - b^{2}} b^{3}} - \frac {2 \, {\left (2 \, B a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} - 2 \, A b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} + B b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} + 2 \, B a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 2 \, A b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - B b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )\right )}}{{\left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} + 1\right )}^{2} b^{2}}}{2 \, d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 4.00, size = 2500, normalized size = 18.66 \begin {gather*} \text {Too large to display} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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