Optimal. Leaf size=49 \[ -\frac{\sin ^3(2 a+2 b x)}{12 b}-\frac{\sin (2 a+2 b x) \cos (2 a+2 b x)}{8 b}+\frac{x}{4} \]
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Rubi [A] time = 0.0560334, antiderivative size = 49, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 5, integrand size = 20, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.25, Rules used = {4286, 2635, 8, 2564, 30} \[ -\frac{\sin ^3(2 a+2 b x)}{12 b}-\frac{\sin (2 a+2 b x) \cos (2 a+2 b x)}{8 b}+\frac{x}{4} \]
Antiderivative was successfully verified.
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Rule 4286
Rule 2635
Rule 8
Rule 2564
Rule 30
Rubi steps
\begin{align*} \int \sin ^2(a+b x) \sin ^2(2 a+2 b x) \, dx &=\frac{1}{2} \int \sin ^2(2 a+2 b x) \, dx-\frac{1}{2} \int \cos (2 a+2 b x) \sin ^2(2 a+2 b x) \, dx\\ &=-\frac{\cos (2 a+2 b x) \sin (2 a+2 b x)}{8 b}+\frac{\int 1 \, dx}{4}-\frac{\operatorname{Subst}\left (\int x^2 \, dx,x,\sin (2 a+2 b x)\right )}{4 b}\\ &=\frac{x}{4}-\frac{\cos (2 a+2 b x) \sin (2 a+2 b x)}{8 b}-\frac{\sin ^3(2 a+2 b x)}{12 b}\\ \end{align*}
Mathematica [A] time = 0.0718913, size = 40, normalized size = 0.82 \[ \frac{-3 \sin (2 (a+b x))-3 \sin (4 (a+b x))+\sin (6 (a+b x))+12 b x}{48 b} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.009, size = 47, normalized size = 1. \begin{align*}{\frac{x}{4}}-{\frac{\sin \left ( 2\,bx+2\,a \right ) }{16\,b}}-{\frac{\sin \left ( 4\,bx+4\,a \right ) }{16\,b}}+{\frac{\sin \left ( 6\,bx+6\,a \right ) }{48\,b}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.11582, size = 55, normalized size = 1.12 \begin{align*} \frac{12 \, b x + \sin \left (6 \, b x + 6 \, a\right ) - 3 \, \sin \left (4 \, b x + 4 \, a\right ) - 3 \, \sin \left (2 \, b x + 2 \, a\right )}{48 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 0.488772, size = 117, normalized size = 2.39 \begin{align*} \frac{3 \, b x +{\left (8 \, \cos \left (b x + a\right )^{5} - 14 \, \cos \left (b x + a\right )^{3} + 3 \, \cos \left (b x + a\right )\right )} \sin \left (b x + a\right )}{12 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 17.4472, size = 231, normalized size = 4.71 \begin{align*} \begin{cases} \frac{x \sin ^{2}{\left (a + b x \right )} \sin ^{2}{\left (2 a + 2 b x \right )}}{4} + \frac{x \sin ^{2}{\left (a + b x \right )} \cos ^{2}{\left (2 a + 2 b x \right )}}{4} + \frac{x \sin ^{2}{\left (2 a + 2 b x \right )} \cos ^{2}{\left (a + b x \right )}}{4} + \frac{x \cos ^{2}{\left (a + b x \right )} \cos ^{2}{\left (2 a + 2 b x \right )}}{4} - \frac{7 \sin ^{2}{\left (a + b x \right )} \sin{\left (2 a + 2 b x \right )} \cos{\left (2 a + 2 b x \right )}}{24 b} - \frac{\sin{\left (a + b x \right )} \sin ^{2}{\left (2 a + 2 b x \right )} \cos{\left (a + b x \right )}}{6 b} - \frac{\sin{\left (a + b x \right )} \cos{\left (a + b x \right )} \cos ^{2}{\left (2 a + 2 b x \right )}}{3 b} + \frac{\sin{\left (2 a + 2 b x \right )} \cos ^{2}{\left (a + b x \right )} \cos{\left (2 a + 2 b x \right )}}{24 b} & \text{for}\: b \neq 0 \\x \sin ^{2}{\left (a \right )} \sin ^{2}{\left (2 a \right )} & \text{otherwise} \end{cases} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A] time = 1.34635, size = 62, normalized size = 1.27 \begin{align*} \frac{1}{4} \, x + \frac{\sin \left (6 \, b x + 6 \, a\right )}{48 \, b} - \frac{\sin \left (4 \, b x + 4 \, a\right )}{16 \, b} - \frac{\sin \left (2 \, b x + 2 \, a\right )}{16 \, b} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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