Optimal. Leaf size=298 \[ \frac {7 d^3 (d x)^{3/2}}{6 b^2}-\frac {d (d x)^{7/2}}{2 b \left (a+b x^2\right )}+\frac {7 a^{3/4} d^{9/2} \tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt [4]{b} \sqrt {d x}}{\sqrt [4]{a} \sqrt {d}}\right )}{4 \sqrt {2} b^{11/4}}-\frac {7 a^{3/4} d^{9/2} \tan ^{-1}\left (1+\frac {\sqrt {2} \sqrt [4]{b} \sqrt {d x}}{\sqrt [4]{a} \sqrt {d}}\right )}{4 \sqrt {2} b^{11/4}}-\frac {7 a^{3/4} d^{9/2} \log \left (\sqrt {a} \sqrt {d}+\sqrt {b} \sqrt {d} x-\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {d x}\right )}{8 \sqrt {2} b^{11/4}}+\frac {7 a^{3/4} d^{9/2} \log \left (\sqrt {a} \sqrt {d}+\sqrt {b} \sqrt {d} x+\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {d x}\right )}{8 \sqrt {2} b^{11/4}} \]
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Rubi [A]
time = 0.21, antiderivative size = 298, normalized size of antiderivative = 1.00, number of steps
used = 13, number of rules used = 10, integrand size = 28, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.357, Rules used = {28, 294, 327,
335, 303, 1176, 631, 210, 1179, 642} \begin {gather*} \frac {7 a^{3/4} d^{9/2} \text {ArcTan}\left (1-\frac {\sqrt {2} \sqrt [4]{b} \sqrt {d x}}{\sqrt [4]{a} \sqrt {d}}\right )}{4 \sqrt {2} b^{11/4}}-\frac {7 a^{3/4} d^{9/2} \text {ArcTan}\left (\frac {\sqrt {2} \sqrt [4]{b} \sqrt {d x}}{\sqrt [4]{a} \sqrt {d}}+1\right )}{4 \sqrt {2} b^{11/4}}-\frac {7 a^{3/4} d^{9/2} \log \left (-\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {d x}+\sqrt {a} \sqrt {d}+\sqrt {b} \sqrt {d} x\right )}{8 \sqrt {2} b^{11/4}}+\frac {7 a^{3/4} d^{9/2} \log \left (\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {d x}+\sqrt {a} \sqrt {d}+\sqrt {b} \sqrt {d} x\right )}{8 \sqrt {2} b^{11/4}}-\frac {d (d x)^{7/2}}{2 b \left (a+b x^2\right )}+\frac {7 d^3 (d x)^{3/2}}{6 b^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 28
Rule 210
Rule 294
Rule 303
Rule 327
Rule 335
Rule 631
Rule 642
Rule 1176
Rule 1179
Rubi steps
\begin {align*} \int \frac {(d x)^{9/2}}{a^2+2 a b x^2+b^2 x^4} \, dx &=b^2 \int \frac {(d x)^{9/2}}{\left (a b+b^2 x^2\right )^2} \, dx\\ &=-\frac {d (d x)^{7/2}}{2 b \left (a+b x^2\right )}+\frac {1}{4} \left (7 d^2\right ) \int \frac {(d x)^{5/2}}{a b+b^2 x^2} \, dx\\ &=\frac {7 d^3 (d x)^{3/2}}{6 b^2}-\frac {d (d x)^{7/2}}{2 b \left (a+b x^2\right )}-\frac {\left (7 a d^4\right ) \int \frac {\sqrt {d x}}{a b+b^2 x^2} \, dx}{4 b}\\ &=\frac {7 d^3 (d x)^{3/2}}{6 b^2}-\frac {d (d x)^{7/2}}{2 b \left (a+b x^2\right )}-\frac {\left (7 a d^3\right ) \text {Subst}\left (\int \frac {x^2}{a b+\frac {b^2 x^4}{d^2}} \, dx,x,\sqrt {d x}\right )}{2 b}\\ &=\frac {7 d^3 (d x)^{3/2}}{6 b^2}-\frac {d (d x)^{7/2}}{2 b \left (a+b x^2\right )}+\frac {\left (7 a d^3\right ) \text {Subst}\left (\int \frac {\sqrt {a} d-\sqrt {b} x^2}{a b+\frac {b^2 x^4}{d^2}} \, dx,x,\sqrt {d x}\right )}{4 b^{3/2}}-\frac {\left (7 a d^3\right ) \text {Subst}\left (\int \frac {\sqrt {a} d+\sqrt {b} x^2}{a b+\frac {b^2 x^4}{d^2}} \, dx,x,\sqrt {d x}\right )}{4 b^{3/2}}\\ &=\frac {7 d^3 (d x)^{3/2}}{6 b^2}-\frac {d (d x)^{7/2}}{2 b \left (a+b x^2\right )}-\frac {\left (7 a^{3/4} d^{9/2}\right ) \text {Subst}\left (\int \frac {\frac {\sqrt {2} \sqrt [4]{a} \sqrt {d}}{\sqrt [4]{b}}+2 x}{-\frac {\sqrt {a} d}{\sqrt {b}}-\frac {\sqrt {2} \sqrt [4]{a} \sqrt {d} x}{\sqrt [4]{b}}-x^2} \, dx,x,\sqrt {d x}\right )}{8 \sqrt {2} b^{11/4}}-\frac {\left (7 a^{3/4} d^{9/2}\right ) \text {Subst}\left (\int \frac {\frac {\sqrt {2} \sqrt [4]{a} \sqrt {d}}{\sqrt [4]{b}}-2 x}{-\frac {\sqrt {a} d}{\sqrt {b}}+\frac {\sqrt {2} \sqrt [4]{a} \sqrt {d} x}{\sqrt [4]{b}}-x^2} \, dx,x,\sqrt {d x}\right )}{8 \sqrt {2} b^{11/4}}-\frac {\left (7 a d^5\right ) \text {Subst}\left (\int \frac {1}{\frac {\sqrt {a} d}{\sqrt {b}}-\frac {\sqrt {2} \sqrt [4]{a} \sqrt {d} x}{\sqrt [4]{b}}+x^2} \, dx,x,\sqrt {d x}\right )}{8 b^3}-\frac {\left (7 a d^5\right ) \text {Subst}\left (\int \frac {1}{\frac {\sqrt {a} d}{\sqrt {b}}+\frac {\sqrt {2} \sqrt [4]{a} \sqrt {d} x}{\sqrt [4]{b}}+x^2} \, dx,x,\sqrt {d x}\right )}{8 b^3}\\ &=\frac {7 d^3 (d x)^{3/2}}{6 b^2}-\frac {d (d x)^{7/2}}{2 b \left (a+b x^2\right )}-\frac {7 a^{3/4} d^{9/2} \log \left (\sqrt {a} \sqrt {d}+\sqrt {b} \sqrt {d} x-\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {d x}\right )}{8 \sqrt {2} b^{11/4}}+\frac {7 a^{3/4} d^{9/2} \log \left (\sqrt {a} \sqrt {d}+\sqrt {b} \sqrt {d} x+\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {d x}\right )}{8 \sqrt {2} b^{11/4}}-\frac {\left (7 a^{3/4} d^{9/2}\right ) \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\frac {\sqrt {2} \sqrt [4]{b} \sqrt {d x}}{\sqrt [4]{a} \sqrt {d}}\right )}{4 \sqrt {2} b^{11/4}}+\frac {\left (7 a^{3/4} d^{9/2}\right ) \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\frac {\sqrt {2} \sqrt [4]{b} \sqrt {d x}}{\sqrt [4]{a} \sqrt {d}}\right )}{4 \sqrt {2} b^{11/4}}\\ &=\frac {7 d^3 (d x)^{3/2}}{6 b^2}-\frac {d (d x)^{7/2}}{2 b \left (a+b x^2\right )}+\frac {7 a^{3/4} d^{9/2} \tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt [4]{b} \sqrt {d x}}{\sqrt [4]{a} \sqrt {d}}\right )}{4 \sqrt {2} b^{11/4}}-\frac {7 a^{3/4} d^{9/2} \tan ^{-1}\left (1+\frac {\sqrt {2} \sqrt [4]{b} \sqrt {d x}}{\sqrt [4]{a} \sqrt {d}}\right )}{4 \sqrt {2} b^{11/4}}-\frac {7 a^{3/4} d^{9/2} \log \left (\sqrt {a} \sqrt {d}+\sqrt {b} \sqrt {d} x-\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {d x}\right )}{8 \sqrt {2} b^{11/4}}+\frac {7 a^{3/4} d^{9/2} \log \left (\sqrt {a} \sqrt {d}+\sqrt {b} \sqrt {d} x+\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {d x}\right )}{8 \sqrt {2} b^{11/4}}\\ \end {align*}
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Mathematica [A]
time = 0.28, size = 167, normalized size = 0.56 \begin {gather*} \frac {d^4 \sqrt {d x} \left (4 b^{3/4} x^{3/2} \left (7 a+4 b x^2\right )+21 \sqrt {2} a^{3/4} \left (a+b x^2\right ) \tan ^{-1}\left (\frac {\sqrt {a}-\sqrt {b} x}{\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {x}}\right )+21 \sqrt {2} a^{3/4} \left (a+b x^2\right ) \tanh ^{-1}\left (\frac {\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {x}}{\sqrt {a}+\sqrt {b} x}\right )\right )}{24 b^{11/4} \sqrt {x} \left (a+b x^2\right )} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.09, size = 188, normalized size = 0.63
method | result | size |
derivativedivides | \(2 d^{3} \left (\frac {\left (d x \right )^{\frac {3}{2}}}{3 b^{2}}-\frac {a \,d^{2} \left (-\frac {\left (d x \right )^{\frac {3}{2}}}{4 \left (d^{2} x^{2} b +a \,d^{2}\right )}+\frac {7 \sqrt {2}\, \left (\ln \left (\frac {d x -\left (\frac {a \,d^{2}}{b}\right )^{\frac {1}{4}} \sqrt {d x}\, \sqrt {2}+\sqrt {\frac {a \,d^{2}}{b}}}{d x +\left (\frac {a \,d^{2}}{b}\right )^{\frac {1}{4}} \sqrt {d x}\, \sqrt {2}+\sqrt {\frac {a \,d^{2}}{b}}}\right )+2 \arctan \left (\frac {\sqrt {2}\, \sqrt {d x}}{\left (\frac {a \,d^{2}}{b}\right )^{\frac {1}{4}}}+1\right )+2 \arctan \left (\frac {\sqrt {2}\, \sqrt {d x}}{\left (\frac {a \,d^{2}}{b}\right )^{\frac {1}{4}}}-1\right )\right )}{32 b \left (\frac {a \,d^{2}}{b}\right )^{\frac {1}{4}}}\right )}{b^{2}}\right )\) | \(188\) |
default | \(2 d^{3} \left (\frac {\left (d x \right )^{\frac {3}{2}}}{3 b^{2}}-\frac {a \,d^{2} \left (-\frac {\left (d x \right )^{\frac {3}{2}}}{4 \left (d^{2} x^{2} b +a \,d^{2}\right )}+\frac {7 \sqrt {2}\, \left (\ln \left (\frac {d x -\left (\frac {a \,d^{2}}{b}\right )^{\frac {1}{4}} \sqrt {d x}\, \sqrt {2}+\sqrt {\frac {a \,d^{2}}{b}}}{d x +\left (\frac {a \,d^{2}}{b}\right )^{\frac {1}{4}} \sqrt {d x}\, \sqrt {2}+\sqrt {\frac {a \,d^{2}}{b}}}\right )+2 \arctan \left (\frac {\sqrt {2}\, \sqrt {d x}}{\left (\frac {a \,d^{2}}{b}\right )^{\frac {1}{4}}}+1\right )+2 \arctan \left (\frac {\sqrt {2}\, \sqrt {d x}}{\left (\frac {a \,d^{2}}{b}\right )^{\frac {1}{4}}}-1\right )\right )}{32 b \left (\frac {a \,d^{2}}{b}\right )^{\frac {1}{4}}}\right )}{b^{2}}\right )\) | \(188\) |
risch | \(\frac {2 x^{2} d^{5}}{3 b^{2} \sqrt {d x}}+\left (\frac {a \left (d x \right )^{\frac {3}{2}}}{2 b^{2} \left (d^{2} x^{2} b +a \,d^{2}\right )}-\frac {7 a \sqrt {2}\, \ln \left (\frac {d x -\left (\frac {a \,d^{2}}{b}\right )^{\frac {1}{4}} \sqrt {d x}\, \sqrt {2}+\sqrt {\frac {a \,d^{2}}{b}}}{d x +\left (\frac {a \,d^{2}}{b}\right )^{\frac {1}{4}} \sqrt {d x}\, \sqrt {2}+\sqrt {\frac {a \,d^{2}}{b}}}\right )}{16 b^{3} \left (\frac {a \,d^{2}}{b}\right )^{\frac {1}{4}}}-\frac {7 a \sqrt {2}\, \arctan \left (\frac {\sqrt {2}\, \sqrt {d x}}{\left (\frac {a \,d^{2}}{b}\right )^{\frac {1}{4}}}+1\right )}{8 b^{3} \left (\frac {a \,d^{2}}{b}\right )^{\frac {1}{4}}}-\frac {7 a \sqrt {2}\, \arctan \left (\frac {\sqrt {2}\, \sqrt {d x}}{\left (\frac {a \,d^{2}}{b}\right )^{\frac {1}{4}}}-1\right )}{8 b^{3} \left (\frac {a \,d^{2}}{b}\right )^{\frac {1}{4}}}\right ) d^{5}\) | \(222\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.51, size = 273, normalized size = 0.92 \begin {gather*} \frac {\frac {24 \, \left (d x\right )^{\frac {3}{2}} a d^{6}}{b^{3} d^{2} x^{2} + a b^{2} d^{2}} - \frac {21 \, a d^{6} {\left (\frac {2 \, \sqrt {2} \arctan \left (\frac {\sqrt {2} {\left (\sqrt {2} \left (a d^{2}\right )^{\frac {1}{4}} b^{\frac {1}{4}} + 2 \, \sqrt {d x} \sqrt {b}\right )}}{2 \, \sqrt {\sqrt {a} \sqrt {b} d}}\right )}{\sqrt {\sqrt {a} \sqrt {b} d} \sqrt {b}} + \frac {2 \, \sqrt {2} \arctan \left (-\frac {\sqrt {2} {\left (\sqrt {2} \left (a d^{2}\right )^{\frac {1}{4}} b^{\frac {1}{4}} - 2 \, \sqrt {d x} \sqrt {b}\right )}}{2 \, \sqrt {\sqrt {a} \sqrt {b} d}}\right )}{\sqrt {\sqrt {a} \sqrt {b} d} \sqrt {b}} - \frac {\sqrt {2} \log \left (\sqrt {b} d x + \sqrt {2} \left (a d^{2}\right )^{\frac {1}{4}} \sqrt {d x} b^{\frac {1}{4}} + \sqrt {a} d\right )}{\left (a d^{2}\right )^{\frac {1}{4}} b^{\frac {3}{4}}} + \frac {\sqrt {2} \log \left (\sqrt {b} d x - \sqrt {2} \left (a d^{2}\right )^{\frac {1}{4}} \sqrt {d x} b^{\frac {1}{4}} + \sqrt {a} d\right )}{\left (a d^{2}\right )^{\frac {1}{4}} b^{\frac {3}{4}}}\right )}}{b^{2}} + \frac {32 \, \left (d x\right )^{\frac {3}{2}} d^{4}}{b^{2}}}{48 \, d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.36, size = 283, normalized size = 0.95 \begin {gather*} \frac {84 \, \left (-\frac {a^{3} d^{18}}{b^{11}}\right )^{\frac {1}{4}} {\left (b^{3} x^{2} + a b^{2}\right )} \arctan \left (-\frac {\left (-\frac {a^{3} d^{18}}{b^{11}}\right )^{\frac {1}{4}} \sqrt {d x} a^{2} b^{3} d^{13} - \sqrt {a^{4} d^{27} x - \sqrt {-\frac {a^{3} d^{18}}{b^{11}}} a^{3} b^{5} d^{18}} \left (-\frac {a^{3} d^{18}}{b^{11}}\right )^{\frac {1}{4}} b^{3}}{a^{3} d^{18}}\right ) - 21 \, \left (-\frac {a^{3} d^{18}}{b^{11}}\right )^{\frac {1}{4}} {\left (b^{3} x^{2} + a b^{2}\right )} \log \left (343 \, \sqrt {d x} a^{2} d^{13} + 343 \, \left (-\frac {a^{3} d^{18}}{b^{11}}\right )^{\frac {3}{4}} b^{8}\right ) + 21 \, \left (-\frac {a^{3} d^{18}}{b^{11}}\right )^{\frac {1}{4}} {\left (b^{3} x^{2} + a b^{2}\right )} \log \left (343 \, \sqrt {d x} a^{2} d^{13} - 343 \, \left (-\frac {a^{3} d^{18}}{b^{11}}\right )^{\frac {3}{4}} b^{8}\right ) + 4 \, {\left (4 \, b d^{4} x^{3} + 7 \, a d^{4} x\right )} \sqrt {d x}}{24 \, {\left (b^{3} x^{2} + a b^{2}\right )}} \end {gather*}
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 \begin {gather*} \int \frac {\left (d x\right )^{\frac {9}{2}}}{\left (a + b x^{2}\right )^{2}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 3.84, size = 277, normalized size = 0.93 \begin {gather*} \frac {1}{48} \, {\left (\frac {24 \, \sqrt {d x} a d^{2} x}{{\left (b d^{2} x^{2} + a d^{2}\right )} b^{2}} + \frac {32 \, \sqrt {d x} x}{b^{2}} - \frac {42 \, \sqrt {2} \left (a b^{3} d^{2}\right )^{\frac {3}{4}} \arctan \left (\frac {\sqrt {2} {\left (\sqrt {2} \left (\frac {a d^{2}}{b}\right )^{\frac {1}{4}} + 2 \, \sqrt {d x}\right )}}{2 \, \left (\frac {a d^{2}}{b}\right )^{\frac {1}{4}}}\right )}{b^{5} d} - \frac {42 \, \sqrt {2} \left (a b^{3} d^{2}\right )^{\frac {3}{4}} \arctan \left (-\frac {\sqrt {2} {\left (\sqrt {2} \left (\frac {a d^{2}}{b}\right )^{\frac {1}{4}} - 2 \, \sqrt {d x}\right )}}{2 \, \left (\frac {a d^{2}}{b}\right )^{\frac {1}{4}}}\right )}{b^{5} d} + \frac {21 \, \sqrt {2} \left (a b^{3} d^{2}\right )^{\frac {3}{4}} \log \left (d x + \sqrt {2} \left (\frac {a d^{2}}{b}\right )^{\frac {1}{4}} \sqrt {d x} + \sqrt {\frac {a d^{2}}{b}}\right )}{b^{5} d} - \frac {21 \, \sqrt {2} \left (a b^{3} d^{2}\right )^{\frac {3}{4}} \log \left (d x - \sqrt {2} \left (\frac {a d^{2}}{b}\right )^{\frac {1}{4}} \sqrt {d x} + \sqrt {\frac {a d^{2}}{b}}\right )}{b^{5} d}\right )} d^{4} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.12, size = 112, normalized size = 0.38 \begin {gather*} \frac {2\,d^3\,{\left (d\,x\right )}^{3/2}}{3\,b^2}+\frac {7\,{\left (-a\right )}^{3/4}\,d^{9/2}\,\mathrm {atan}\left (\frac {b^{1/4}\,\sqrt {d\,x}}{{\left (-a\right )}^{1/4}\,\sqrt {d}}\right )}{4\,b^{11/4}}+\frac {a\,d^5\,{\left (d\,x\right )}^{3/2}}{2\,\left (b^3\,d^2\,x^2+a\,b^2\,d^2\right )}+\frac {{\left (-a\right )}^{3/4}\,d^{9/2}\,\mathrm {atan}\left (\frac {b^{1/4}\,\sqrt {d\,x}\,1{}\mathrm {i}}{{\left (-a\right )}^{1/4}\,\sqrt {d}}\right )\,7{}\mathrm {i}}{4\,b^{11/4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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