Optimal. Leaf size=141 \[ -\frac {C \sin (c+d x) (b \cos (c+d x))^{n+5} \, _2F_1\left (\frac {1}{2},\frac {n+5}{2};\frac {n+7}{2};\cos ^2(c+d x)\right )}{b^5 d (n+5) \sqrt {\sin ^2(c+d x)}}-\frac {B \sin (c+d x) (b \cos (c+d x))^{n+4} \, _2F_1\left (\frac {1}{2},\frac {n+4}{2};\frac {n+6}{2};\cos ^2(c+d x)\right )}{b^4 d (n+4) \sqrt {\sin ^2(c+d x)}} \]
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Rubi [A] time = 0.16, antiderivative size = 141, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, integrand size = 38, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.105, Rules used = {16, 3010, 2748, 2643} \[ -\frac {B \sin (c+d x) (b \cos (c+d x))^{n+4} \, _2F_1\left (\frac {1}{2},\frac {n+4}{2};\frac {n+6}{2};\cos ^2(c+d x)\right )}{b^4 d (n+4) \sqrt {\sin ^2(c+d x)}}-\frac {C \sin (c+d x) (b \cos (c+d x))^{n+5} \, _2F_1\left (\frac {1}{2},\frac {n+5}{2};\frac {n+7}{2};\cos ^2(c+d x)\right )}{b^5 d (n+5) \sqrt {\sin ^2(c+d x)}} \]
Antiderivative was successfully verified.
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Rule 16
Rule 2643
Rule 2748
Rule 3010
Rubi steps
\begin {align*} \int \cos ^2(c+d x) (b \cos (c+d x))^n \left (B \cos (c+d x)+C \cos ^2(c+d x)\right ) \, dx &=\frac {\int (b \cos (c+d x))^{2+n} \left (B \cos (c+d x)+C \cos ^2(c+d x)\right ) \, dx}{b^2}\\ &=\frac {\int (b \cos (c+d x))^{3+n} (B+C \cos (c+d x)) \, dx}{b^3}\\ &=\frac {B \int (b \cos (c+d x))^{3+n} \, dx}{b^3}+\frac {C \int (b \cos (c+d x))^{4+n} \, dx}{b^4}\\ &=-\frac {B (b \cos (c+d x))^{4+n} \, _2F_1\left (\frac {1}{2},\frac {4+n}{2};\frac {6+n}{2};\cos ^2(c+d x)\right ) \sin (c+d x)}{b^4 d (4+n) \sqrt {\sin ^2(c+d x)}}-\frac {C (b \cos (c+d x))^{5+n} \, _2F_1\left (\frac {1}{2},\frac {5+n}{2};\frac {7+n}{2};\cos ^2(c+d x)\right ) \sin (c+d x)}{b^5 d (5+n) \sqrt {\sin ^2(c+d x)}}\\ \end {align*}
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Mathematica [A] time = 0.49, size = 120, normalized size = 0.85 \[ -\frac {\sqrt {\sin ^2(c+d x)} \cos ^3(c+d x) \cot (c+d x) (b \cos (c+d x))^n \left (B (n+5) \, _2F_1\left (\frac {1}{2},\frac {n+4}{2};\frac {n+6}{2};\cos ^2(c+d x)\right )+C (n+4) \cos (c+d x) \, _2F_1\left (\frac {1}{2},\frac {n+5}{2};\frac {n+7}{2};\cos ^2(c+d x)\right )\right )}{d (n+4) (n+5)} \]
Antiderivative was successfully verified.
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fricas [F] time = 0.60, size = 0, normalized size = 0.00 \[ {\rm integral}\left ({\left (C \cos \left (d x + c\right )^{4} + B \cos \left (d x + c\right )^{3}\right )} \left (b \cos \left (d x + c\right )\right )^{n}, x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int {\left (C \cos \left (d x + c\right )^{2} + B \cos \left (d x + c\right )\right )} \left (b \cos \left (d x + c\right )\right )^{n} \cos \left (d x + c\right )^{2}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 2.71, size = 0, normalized size = 0.00 \[ \int \left (\cos ^{2}\left (d x +c \right )\right ) \left (b \cos \left (d x +c \right )\right )^{n} \left (B \cos \left (d x +c \right )+C \left (\cos ^{2}\left (d x +c \right )\right )\right )\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int {\left (C \cos \left (d x + c\right )^{2} + B \cos \left (d x + c\right )\right )} \left (b \cos \left (d x + c\right )\right )^{n} \cos \left (d x + c\right )^{2}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int {\cos \left (c+d\,x\right )}^2\,{\left (b\,\cos \left (c+d\,x\right )\right )}^n\,\left (C\,{\cos \left (c+d\,x\right )}^2+B\,\cos \left (c+d\,x\right )\right ) \,d x \]
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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