Optimal. Leaf size=92 \[ \frac {(a-2 b) \tan (x) \sqrt {a+b \cot ^2(x)}}{a^2 (a-b)}+\frac {\tan ^{-1}\left (\frac {\sqrt {a-b} \cot (x)}{\sqrt {a+b \cot ^2(x)}}\right )}{(a-b)^{3/2}}+\frac {b \tan (x)}{a (a-b) \sqrt {a+b \cot ^2(x)}} \]
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Rubi [A] time = 0.15, antiderivative size = 92, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.353, Rules used = {3670, 472, 583, 12, 377, 203} \[ \frac {(a-2 b) \tan (x) \sqrt {a+b \cot ^2(x)}}{a^2 (a-b)}+\frac {\tan ^{-1}\left (\frac {\sqrt {a-b} \cot (x)}{\sqrt {a+b \cot ^2(x)}}\right )}{(a-b)^{3/2}}+\frac {b \tan (x)}{a (a-b) \sqrt {a+b \cot ^2(x)}} \]
Antiderivative was successfully verified.
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Rule 12
Rule 203
Rule 377
Rule 472
Rule 583
Rule 3670
Rubi steps
\begin {align*} \int \frac {\tan ^2(x)}{\left (a+b \cot ^2(x)\right )^{3/2}} \, dx &=-\operatorname {Subst}\left (\int \frac {1}{x^2 \left (1+x^2\right ) \left (a+b x^2\right )^{3/2}} \, dx,x,\cot (x)\right )\\ &=\frac {b \tan (x)}{a (a-b) \sqrt {a+b \cot ^2(x)}}-\frac {\operatorname {Subst}\left (\int \frac {a-2 b-2 b x^2}{x^2 \left (1+x^2\right ) \sqrt {a+b x^2}} \, dx,x,\cot (x)\right )}{a (a-b)}\\ &=\frac {b \tan (x)}{a (a-b) \sqrt {a+b \cot ^2(x)}}+\frac {(a-2 b) \sqrt {a+b \cot ^2(x)} \tan (x)}{a^2 (a-b)}+\frac {\operatorname {Subst}\left (\int \frac {a^2}{\left (1+x^2\right ) \sqrt {a+b x^2}} \, dx,x,\cot (x)\right )}{a^2 (a-b)}\\ &=\frac {b \tan (x)}{a (a-b) \sqrt {a+b \cot ^2(x)}}+\frac {(a-2 b) \sqrt {a+b \cot ^2(x)} \tan (x)}{a^2 (a-b)}+\frac {\operatorname {Subst}\left (\int \frac {1}{\left (1+x^2\right ) \sqrt {a+b x^2}} \, dx,x,\cot (x)\right )}{a-b}\\ &=\frac {b \tan (x)}{a (a-b) \sqrt {a+b \cot ^2(x)}}+\frac {(a-2 b) \sqrt {a+b \cot ^2(x)} \tan (x)}{a^2 (a-b)}+\frac {\operatorname {Subst}\left (\int \frac {1}{1-(-a+b) x^2} \, dx,x,\frac {\cot (x)}{\sqrt {a+b \cot ^2(x)}}\right )}{a-b}\\ &=\frac {\tan ^{-1}\left (\frac {\sqrt {a-b} \cot (x)}{\sqrt {a+b \cot ^2(x)}}\right )}{(a-b)^{3/2}}+\frac {b \tan (x)}{a (a-b) \sqrt {a+b \cot ^2(x)}}+\frac {(a-2 b) \sqrt {a+b \cot ^2(x)} \tan (x)}{a^2 (a-b)}\\ \end {align*}
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Mathematica [C] time = 6.90, size = 674, normalized size = 7.33 \[ \frac {\sin ^2(x) \tan (x) \left (\frac {8 b^2 (a-b) \cos ^2(x) \cot ^4(x) \, _3F_2\left (2,2,2;1,\frac {7}{2};\frac {(a-b) \cos ^2(x)}{a}\right )}{15 a^3}+\frac {16 b (a-b) \cos ^2(x) \cot ^2(x) \, _3F_2\left (2,2,2;1,\frac {7}{2};\frac {(a-b) \cos ^2(x)}{a}\right )}{15 a^2}+\frac {8 (a-b) \cos ^2(x) \, _3F_2\left (2,2,2;1,\frac {7}{2};\frac {(a-b) \cos ^2(x)}{a}\right )}{15 a}+\frac {8 b^2 (a-b) \cos ^2(x) \cot ^4(x) \, _2F_1\left (2,2;\frac {7}{2};\frac {(a-b) \cos ^2(x)}{a}\right )}{5 a^3}-\frac {8 b^2 \cot ^4(x) \sin ^{-1}\left (\sqrt {\frac {(a-b) \cos ^2(x)}{a}}\right )}{a^2 \left (\frac {(a-b) \cos ^2(x)}{a}\right )^{3/2} \sqrt {\frac {\sin ^2(x) \left (a+b \cot ^2(x)\right )}{a}}}+\frac {8 b^2 \cot ^4(x) \sin ^{-1}\left (\sqrt {\frac {(a-b) \cos ^2(x)}{a}}\right )}{a^2 \sqrt {\frac {(a-b) \sin ^2(x) \cos ^2(x) \left (a+b \cot ^2(x)\right )}{a^2}}}+\frac {8 b (a-b) \cos ^2(x) \cot ^2(x) \, _2F_1\left (2,2;\frac {7}{2};\frac {(a-b) \cos ^2(x)}{a}\right )}{3 a^2}+\frac {12 b \cot ^2(x) \sin ^{-1}\left (\sqrt {\frac {(a-b) \cos ^2(x)}{a}}\right )}{a \sqrt {\frac {(a-b) \sin ^2(x) \cos ^2(x) \left (a+b \cot ^2(x)\right )}{a^2}}}+\frac {3 \sin ^{-1}\left (\sqrt {\frac {(a-b) \cos ^2(x)}{a}}\right )}{\sqrt {\frac {(a-b) \sin ^2(x) \cos ^2(x) \left (a+b \cot ^2(x)\right )}{a^2}}}+\frac {8 b^2 \cot ^2(x) \csc ^2(x)}{a (a-b)}+\frac {16 (a-b) \cos ^2(x) \, _2F_1\left (2,2;\frac {7}{2};\frac {(a-b) \cos ^2(x)}{a}\right )}{15 a}+\frac {12 b \csc ^2(x)}{a-b}+\frac {3 a \sec ^2(x)}{a-b}-\frac {12 b \cot ^2(x) \sin ^{-1}\left (\sqrt {\frac {(a-b) \cos ^2(x)}{a}}\right )}{a \left (\frac {(a-b) \cos ^2(x)}{a}\right )^{3/2} \sqrt {\frac {\sin ^2(x) \left (a+b \cot ^2(x)\right )}{a}}}-\frac {3 \sin ^{-1}\left (\sqrt {\frac {(a-b) \cos ^2(x)}{a}}\right )}{\left (\frac {(a-b) \cos ^2(x)}{a}\right )^{3/2} \sqrt {\frac {\sin ^2(x) \left (a+b \cot ^2(x)\right )}{a}}}\right )}{a \sqrt {a+b \cot ^2(x)}} \]
Warning: Unable to verify antiderivative.
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fricas [B] time = 0.90, size = 393, normalized size = 4.27 \[ \left [\frac {{\left (a^{3} \tan \relax (x)^{2} + a^{2} b\right )} \sqrt {-a + b} \log \left (-\frac {a^{2} \tan \relax (x)^{4} - 2 \, {\left (3 \, a^{2} - 4 \, a b\right )} \tan \relax (x)^{2} + a^{2} - 8 \, a b + 8 \, b^{2} - 4 \, {\left (a \tan \relax (x)^{3} - {\left (a - 2 \, b\right )} \tan \relax (x)\right )} \sqrt {-a + b} \sqrt {\frac {a \tan \relax (x)^{2} + b}{\tan \relax (x)^{2}}}}{\tan \relax (x)^{4} + 2 \, \tan \relax (x)^{2} + 1}\right ) + 4 \, {\left ({\left (a^{3} - 2 \, a^{2} b + a b^{2}\right )} \tan \relax (x)^{3} + {\left (a^{2} b - 3 \, a b^{2} + 2 \, b^{3}\right )} \tan \relax (x)\right )} \sqrt {\frac {a \tan \relax (x)^{2} + b}{\tan \relax (x)^{2}}}}{4 \, {\left (a^{4} b - 2 \, a^{3} b^{2} + a^{2} b^{3} + {\left (a^{5} - 2 \, a^{4} b + a^{3} b^{2}\right )} \tan \relax (x)^{2}\right )}}, \frac {{\left (a^{3} \tan \relax (x)^{2} + a^{2} b\right )} \sqrt {a - b} \arctan \left (\frac {2 \, \sqrt {a - b} \sqrt {\frac {a \tan \relax (x)^{2} + b}{\tan \relax (x)^{2}}} \tan \relax (x)}{a \tan \relax (x)^{2} - a + 2 \, b}\right ) + 2 \, {\left ({\left (a^{3} - 2 \, a^{2} b + a b^{2}\right )} \tan \relax (x)^{3} + {\left (a^{2} b - 3 \, a b^{2} + 2 \, b^{3}\right )} \tan \relax (x)\right )} \sqrt {\frac {a \tan \relax (x)^{2} + b}{\tan \relax (x)^{2}}}}{2 \, {\left (a^{4} b - 2 \, a^{3} b^{2} + a^{2} b^{3} + {\left (a^{5} - 2 \, a^{4} b + a^{3} b^{2}\right )} \tan \relax (x)^{2}\right )}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Exception raised: TypeError} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.96, size = 421, normalized size = 4.58 \[ \frac {\left (-1+\cos \relax (x )\right )^{2} \left (\cos \relax (x )+1\right )^{2} \left (a \left (\cos ^{2}\relax (x )\right )-b \left (\cos ^{2}\relax (x )\right )-a \right ) \left (-\left (\cos ^{2}\relax (x )\right ) \sqrt {-\frac {a \left (\cos ^{2}\relax (x )\right )-b \left (\cos ^{2}\relax (x )\right )-a}{\left (\cos \relax (x )+1\right )^{2}}}\, \ln \left (4 \cos \relax (x ) \sqrt {-a +b}\, \sqrt {-\frac {a \left (\cos ^{2}\relax (x )\right )-b \left (\cos ^{2}\relax (x )\right )-a}{\left (\cos \relax (x )+1\right )^{2}}}-4 a \cos \relax (x )+4 b \cos \relax (x )+4 \sqrt {-a +b}\, \sqrt {-\frac {a \left (\cos ^{2}\relax (x )\right )-b \left (\cos ^{2}\relax (x )\right )-a}{\left (\cos \relax (x )+1\right )^{2}}}\right ) a^{2}+\left (\cos ^{2}\relax (x )\right ) \sqrt {-a +b}\, a^{2}-2 \left (\cos ^{2}\relax (x )\right ) \sqrt {-a +b}\, a b +2 \left (\cos ^{2}\relax (x )\right ) \sqrt {-a +b}\, b^{2}-\cos \relax (x ) \sqrt {-\frac {a \left (\cos ^{2}\relax (x )\right )-b \left (\cos ^{2}\relax (x )\right )-a}{\left (\cos \relax (x )+1\right )^{2}}}\, \ln \left (4 \cos \relax (x ) \sqrt {-a +b}\, \sqrt {-\frac {a \left (\cos ^{2}\relax (x )\right )-b \left (\cos ^{2}\relax (x )\right )-a}{\left (\cos \relax (x )+1\right )^{2}}}-4 a \cos \relax (x )+4 b \cos \relax (x )+4 \sqrt {-a +b}\, \sqrt {-\frac {a \left (\cos ^{2}\relax (x )\right )-b \left (\cos ^{2}\relax (x )\right )-a}{\left (\cos \relax (x )+1\right )^{2}}}\right ) a^{2}-\sqrt {-a +b}\, a^{2}+\sqrt {-a +b}\, a b \right ) b}{\cos \relax (x ) \left (\frac {a \left (\cos ^{2}\relax (x )\right )-b \left (\cos ^{2}\relax (x )\right )-a}{-1+\cos ^{2}\relax (x )}\right )^{\frac {3}{2}} \sin \relax (x )^{7} \sqrt {-a +b}\, \left (\sqrt {a \left (a -b \right )}+a -b \right ) \left (\sqrt {a \left (a -b \right )}-a +b \right ) a^{2}} \]
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 \[ \int \frac {\tan \relax (x)^{2}}{{\left (b \cot \relax (x)^{2} + a\right )}^{\frac {3}{2}}}\,{d x} \]
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 \[ \int \frac {{\mathrm {tan}\relax (x)}^2}{{\left (b\,{\mathrm {cot}\relax (x)}^2+a\right )}^{3/2}} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {\tan ^{2}{\relax (x )}}{\left (a + b \cot ^{2}{\relax (x )}\right )^{\frac {3}{2}}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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