Integrand size = 10, antiderivative size = 50 \[ \int \left (a+b \sin ^2(x)\right )^2 \, dx=\frac {1}{8} \left (8 a^2+8 a b+3 b^2\right ) x-\frac {1}{8} b (8 a+3 b) \cos (x) \sin (x)-\frac {1}{4} b^2 \cos (x) \sin ^3(x) \]
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Time = 0.01 (sec) , antiderivative size = 50, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.100, Rules used = {3258} \[ \int \left (a+b \sin ^2(x)\right )^2 \, dx=\frac {1}{8} x \left (8 a^2+8 a b+3 b^2\right )-\frac {1}{8} b (8 a+3 b) \sin (x) \cos (x)-\frac {1}{4} b^2 \sin ^3(x) \cos (x) \]
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Rule 3258
Rubi steps \begin{align*} \text {integral}& = \frac {1}{8} \left (8 a^2+8 a b+3 b^2\right ) x-\frac {1}{8} b (8 a+3 b) \cos (x) \sin (x)-\frac {1}{4} b^2 \cos (x) \sin ^3(x) \\ \end{align*}
Time = 0.05 (sec) , antiderivative size = 43, normalized size of antiderivative = 0.86 \[ \int \left (a+b \sin ^2(x)\right )^2 \, dx=\frac {1}{32} \left (4 \left (8 a^2+8 a b+3 b^2\right ) x-8 b (2 a+b) \sin (2 x)+b^2 \sin (4 x)\right ) \]
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Time = 0.67 (sec) , antiderivative size = 41, normalized size of antiderivative = 0.82
method | result | size |
parallelrisch | \(\frac {\left (-2 a b -b^{2}\right ) \sin \left (2 x \right )}{4}+\frac {b^{2} \sin \left (4 x \right )}{32}+\left (a^{2}+a b +\frac {3}{8} b^{2}\right ) x\) | \(41\) |
default | \(b^{2} \left (-\frac {\left (\sin ^{3}\left (x \right )+\frac {3 \sin \left (x \right )}{2}\right ) \cos \left (x \right )}{4}+\frac {3 x}{8}\right )+2 a b \left (-\frac {\cos \left (x \right ) \sin \left (x \right )}{2}+\frac {x}{2}\right )+a^{2} x\) | \(42\) |
parts | \(b^{2} \left (-\frac {\left (\sin ^{3}\left (x \right )+\frac {3 \sin \left (x \right )}{2}\right ) \cos \left (x \right )}{4}+\frac {3 x}{8}\right )+2 a b \left (-\frac {\cos \left (x \right ) \sin \left (x \right )}{2}+\frac {x}{2}\right )+a^{2} x\) | \(42\) |
risch | \(a^{2} x +a b x +\frac {3 b^{2} x}{8}+\frac {b^{2} \sin \left (4 x \right )}{32}-\frac {\sin \left (2 x \right ) a b}{2}-\frac {\sin \left (2 x \right ) b^{2}}{4}\) | \(43\) |
norman | \(\frac {\left (-2 a b -\frac {11}{4} b^{2}\right ) \left (\tan ^{3}\left (\frac {x}{2}\right )\right )+\left (-2 a b -\frac {3}{4} b^{2}\right ) \tan \left (\frac {x}{2}\right )+\left (2 a b +\frac {3}{4} b^{2}\right ) \left (\tan ^{7}\left (\frac {x}{2}\right )\right )+\left (2 a b +\frac {11}{4} b^{2}\right ) \left (\tan ^{5}\left (\frac {x}{2}\right )\right )+\left (a^{2}+a b +\frac {3}{8} b^{2}\right ) x +\left (a^{2}+a b +\frac {3}{8} b^{2}\right ) x \left (\tan ^{8}\left (\frac {x}{2}\right )\right )+\left (4 a^{2}+4 a b +\frac {3}{2} b^{2}\right ) x \left (\tan ^{2}\left (\frac {x}{2}\right )\right )+\left (4 a^{2}+4 a b +\frac {3}{2} b^{2}\right ) x \left (\tan ^{6}\left (\frac {x}{2}\right )\right )+\left (6 a^{2}+6 a b +\frac {9}{4} b^{2}\right ) x \left (\tan ^{4}\left (\frac {x}{2}\right )\right )}{\left (1+\tan ^{2}\left (\frac {x}{2}\right )\right )^{4}}\) | \(182\) |
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Time = 0.27 (sec) , antiderivative size = 47, normalized size of antiderivative = 0.94 \[ \int \left (a+b \sin ^2(x)\right )^2 \, dx=\frac {1}{8} \, {\left (8 \, a^{2} + 8 \, a b + 3 \, b^{2}\right )} x + \frac {1}{8} \, {\left (2 \, b^{2} \cos \left (x\right )^{3} - {\left (8 \, a b + 5 \, b^{2}\right )} \cos \left (x\right )\right )} \sin \left (x\right ) \]
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Leaf count of result is larger than twice the leaf count of optimal. 110 vs. \(2 (44) = 88\).
Time = 0.13 (sec) , antiderivative size = 110, normalized size of antiderivative = 2.20 \[ \int \left (a+b \sin ^2(x)\right )^2 \, dx=a^{2} x + a b x \sin ^{2}{\left (x \right )} + a b x \cos ^{2}{\left (x \right )} - a b \sin {\left (x \right )} \cos {\left (x \right )} + \frac {3 b^{2} x \sin ^{4}{\left (x \right )}}{8} + \frac {3 b^{2} x \sin ^{2}{\left (x \right )} \cos ^{2}{\left (x \right )}}{4} + \frac {3 b^{2} x \cos ^{4}{\left (x \right )}}{8} - \frac {5 b^{2} \sin ^{3}{\left (x \right )} \cos {\left (x \right )}}{8} - \frac {3 b^{2} \sin {\left (x \right )} \cos ^{3}{\left (x \right )}}{8} \]
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Time = 0.24 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.78 \[ \int \left (a+b \sin ^2(x)\right )^2 \, dx=\frac {1}{32} \, b^{2} {\left (12 \, x + \sin \left (4 \, x\right ) - 8 \, \sin \left (2 \, x\right )\right )} + \frac {1}{2} \, a b {\left (2 \, x - \sin \left (2 \, x\right )\right )} + a^{2} x \]
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Time = 0.38 (sec) , antiderivative size = 42, normalized size of antiderivative = 0.84 \[ \int \left (a+b \sin ^2(x)\right )^2 \, dx=\frac {1}{32} \, b^{2} \sin \left (4 \, x\right ) + \frac {1}{8} \, {\left (8 \, a^{2} + 8 \, a b + 3 \, b^{2}\right )} x - \frac {1}{4} \, {\left (2 \, a b + b^{2}\right )} \sin \left (2 \, x\right ) \]
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Time = 13.89 (sec) , antiderivative size = 44, normalized size of antiderivative = 0.88 \[ \int \left (a+b \sin ^2(x)\right )^2 \, dx=x\,a^2-\sin \left (x\right )\,a\,b\,\cos \left (x\right )+x\,a\,b+\frac {\sin \left (x\right )\,b^2\,{\cos \left (x\right )}^3}{4}-\frac {5\,\sin \left (x\right )\,b^2\,\cos \left (x\right )}{8}+\frac {3\,x\,b^2}{8} \]
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