Integrand size = 22, antiderivative size = 298 \[ \int \frac {\sqrt {x} \left (A+B x^2\right )}{\left (a+b x^2\right )^3} \, dx=\frac {(A b-a B) x^{3/2}}{4 a b \left (a+b x^2\right )^2}+\frac {(5 A b+3 a B) x^{3/2}}{16 a^2 b \left (a+b x^2\right )}-\frac {(5 A b+3 a B) \arctan \left (1-\frac {\sqrt {2} \sqrt [4]{b} \sqrt {x}}{\sqrt [4]{a}}\right )}{32 \sqrt {2} a^{9/4} b^{7/4}}+\frac {(5 A b+3 a B) \arctan \left (1+\frac {\sqrt {2} \sqrt [4]{b} \sqrt {x}}{\sqrt [4]{a}}\right )}{32 \sqrt {2} a^{9/4} b^{7/4}}+\frac {(5 A b+3 a B) \log \left (\sqrt {a}-\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {x}+\sqrt {b} x\right )}{64 \sqrt {2} a^{9/4} b^{7/4}}-\frac {(5 A b+3 a B) \log \left (\sqrt {a}+\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {x}+\sqrt {b} x\right )}{64 \sqrt {2} a^{9/4} b^{7/4}} \]
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Time = 0.16 (sec) , antiderivative size = 298, normalized size of antiderivative = 1.00, number of steps used = 12, number of rules used = 9, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.409, Rules used = {468, 296, 335, 303, 1176, 631, 210, 1179, 642} \[ \int \frac {\sqrt {x} \left (A+B x^2\right )}{\left (a+b x^2\right )^3} \, dx=-\frac {(3 a B+5 A b) \arctan \left (1-\frac {\sqrt {2} \sqrt [4]{b} \sqrt {x}}{\sqrt [4]{a}}\right )}{32 \sqrt {2} a^{9/4} b^{7/4}}+\frac {(3 a B+5 A b) \arctan \left (\frac {\sqrt {2} \sqrt [4]{b} \sqrt {x}}{\sqrt [4]{a}}+1\right )}{32 \sqrt {2} a^{9/4} b^{7/4}}+\frac {(3 a B+5 A b) \log \left (-\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {x}+\sqrt {a}+\sqrt {b} x\right )}{64 \sqrt {2} a^{9/4} b^{7/4}}-\frac {(3 a B+5 A b) \log \left (\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {x}+\sqrt {a}+\sqrt {b} x\right )}{64 \sqrt {2} a^{9/4} b^{7/4}}+\frac {x^{3/2} (3 a B+5 A b)}{16 a^2 b \left (a+b x^2\right )}+\frac {x^{3/2} (A b-a B)}{4 a b \left (a+b x^2\right )^2} \]
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Rule 210
Rule 296
Rule 303
Rule 335
Rule 468
Rule 631
Rule 642
Rule 1176
Rule 1179
Rubi steps \begin{align*} \text {integral}& = \frac {(A b-a B) x^{3/2}}{4 a b \left (a+b x^2\right )^2}+\frac {\left (\frac {5 A b}{2}+\frac {3 a B}{2}\right ) \int \frac {\sqrt {x}}{\left (a+b x^2\right )^2} \, dx}{4 a b} \\ & = \frac {(A b-a B) x^{3/2}}{4 a b \left (a+b x^2\right )^2}+\frac {(5 A b+3 a B) x^{3/2}}{16 a^2 b \left (a+b x^2\right )}+\frac {(5 A b+3 a B) \int \frac {\sqrt {x}}{a+b x^2} \, dx}{32 a^2 b} \\ & = \frac {(A b-a B) x^{3/2}}{4 a b \left (a+b x^2\right )^2}+\frac {(5 A b+3 a B) x^{3/2}}{16 a^2 b \left (a+b x^2\right )}+\frac {(5 A b+3 a B) \text {Subst}\left (\int \frac {x^2}{a+b x^4} \, dx,x,\sqrt {x}\right )}{16 a^2 b} \\ & = \frac {(A b-a B) x^{3/2}}{4 a b \left (a+b x^2\right )^2}+\frac {(5 A b+3 a B) x^{3/2}}{16 a^2 b \left (a+b x^2\right )}-\frac {(5 A b+3 a B) \text {Subst}\left (\int \frac {\sqrt {a}-\sqrt {b} x^2}{a+b x^4} \, dx,x,\sqrt {x}\right )}{32 a^2 b^{3/2}}+\frac {(5 A b+3 a B) \text {Subst}\left (\int \frac {\sqrt {a}+\sqrt {b} x^2}{a+b x^4} \, dx,x,\sqrt {x}\right )}{32 a^2 b^{3/2}} \\ & = \frac {(A b-a B) x^{3/2}}{4 a b \left (a+b x^2\right )^2}+\frac {(5 A b+3 a B) x^{3/2}}{16 a^2 b \left (a+b x^2\right )}+\frac {(5 A b+3 a B) \text {Subst}\left (\int \frac {1}{\frac {\sqrt {a}}{\sqrt {b}}-\frac {\sqrt {2} \sqrt [4]{a} x}{\sqrt [4]{b}}+x^2} \, dx,x,\sqrt {x}\right )}{64 a^2 b^2}+\frac {(5 A b+3 a B) \text {Subst}\left (\int \frac {1}{\frac {\sqrt {a}}{\sqrt {b}}+\frac {\sqrt {2} \sqrt [4]{a} x}{\sqrt [4]{b}}+x^2} \, dx,x,\sqrt {x}\right )}{64 a^2 b^2}+\frac {(5 A b+3 a B) \text {Subst}\left (\int \frac {\frac {\sqrt {2} \sqrt [4]{a}}{\sqrt [4]{b}}+2 x}{-\frac {\sqrt {a}}{\sqrt {b}}-\frac {\sqrt {2} \sqrt [4]{a} x}{\sqrt [4]{b}}-x^2} \, dx,x,\sqrt {x}\right )}{64 \sqrt {2} a^{9/4} b^{7/4}}+\frac {(5 A b+3 a B) \text {Subst}\left (\int \frac {\frac {\sqrt {2} \sqrt [4]{a}}{\sqrt [4]{b}}-2 x}{-\frac {\sqrt {a}}{\sqrt {b}}+\frac {\sqrt {2} \sqrt [4]{a} x}{\sqrt [4]{b}}-x^2} \, dx,x,\sqrt {x}\right )}{64 \sqrt {2} a^{9/4} b^{7/4}} \\ & = \frac {(A b-a B) x^{3/2}}{4 a b \left (a+b x^2\right )^2}+\frac {(5 A b+3 a B) x^{3/2}}{16 a^2 b \left (a+b x^2\right )}+\frac {(5 A b+3 a B) \log \left (\sqrt {a}-\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {x}+\sqrt {b} x\right )}{64 \sqrt {2} a^{9/4} b^{7/4}}-\frac {(5 A b+3 a B) \log \left (\sqrt {a}+\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {x}+\sqrt {b} x\right )}{64 \sqrt {2} a^{9/4} b^{7/4}}+\frac {(5 A b+3 a B) \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\frac {\sqrt {2} \sqrt [4]{b} \sqrt {x}}{\sqrt [4]{a}}\right )}{32 \sqrt {2} a^{9/4} b^{7/4}}-\frac {(5 A b+3 a B) \text {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\frac {\sqrt {2} \sqrt [4]{b} \sqrt {x}}{\sqrt [4]{a}}\right )}{32 \sqrt {2} a^{9/4} b^{7/4}} \\ & = \frac {(A b-a B) x^{3/2}}{4 a b \left (a+b x^2\right )^2}+\frac {(5 A b+3 a B) x^{3/2}}{16 a^2 b \left (a+b x^2\right )}-\frac {(5 A b+3 a B) \tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt [4]{b} \sqrt {x}}{\sqrt [4]{a}}\right )}{32 \sqrt {2} a^{9/4} b^{7/4}}+\frac {(5 A b+3 a B) \tan ^{-1}\left (1+\frac {\sqrt {2} \sqrt [4]{b} \sqrt {x}}{\sqrt [4]{a}}\right )}{32 \sqrt {2} a^{9/4} b^{7/4}}+\frac {(5 A b+3 a B) \log \left (\sqrt {a}-\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {x}+\sqrt {b} x\right )}{64 \sqrt {2} a^{9/4} b^{7/4}}-\frac {(5 A b+3 a B) \log \left (\sqrt {a}+\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {x}+\sqrt {b} x\right )}{64 \sqrt {2} a^{9/4} b^{7/4}} \\ \end{align*}
Time = 0.63 (sec) , antiderivative size = 175, normalized size of antiderivative = 0.59 \[ \int \frac {\sqrt {x} \left (A+B x^2\right )}{\left (a+b x^2\right )^3} \, dx=\frac {\frac {4 \sqrt [4]{a} b^{3/4} x^{3/2} \left (9 a A b-a^2 B+5 A b^2 x^2+3 a b B x^2\right )}{\left (a+b x^2\right )^2}-\sqrt {2} (5 A b+3 a B) \arctan \left (\frac {\sqrt {a}-\sqrt {b} x}{\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {x}}\right )-\sqrt {2} (5 A b+3 a B) \text {arctanh}\left (\frac {\sqrt {2} \sqrt [4]{a} \sqrt [4]{b} \sqrt {x}}{\sqrt {a}+\sqrt {b} x}\right )}{64 a^{9/4} b^{7/4}} \]
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Time = 2.60 (sec) , antiderivative size = 168, normalized size of antiderivative = 0.56
method | result | size |
derivativedivides | \(\frac {\frac {\left (5 A b +3 B a \right ) x^{\frac {7}{2}}}{16 a^{2}}+\frac {\left (9 A b -B a \right ) x^{\frac {3}{2}}}{16 a b}}{\left (b \,x^{2}+a \right )^{2}}+\frac {\left (5 A b +3 B a \right ) \sqrt {2}\, \left (\ln \left (\frac {x -\left (\frac {a}{b}\right )^{\frac {1}{4}} \sqrt {x}\, \sqrt {2}+\sqrt {\frac {a}{b}}}{x +\left (\frac {a}{b}\right )^{\frac {1}{4}} \sqrt {x}\, \sqrt {2}+\sqrt {\frac {a}{b}}}\right )+2 \arctan \left (\frac {\sqrt {2}\, \sqrt {x}}{\left (\frac {a}{b}\right )^{\frac {1}{4}}}+1\right )+2 \arctan \left (\frac {\sqrt {2}\, \sqrt {x}}{\left (\frac {a}{b}\right )^{\frac {1}{4}}}-1\right )\right )}{128 a^{2} b^{2} \left (\frac {a}{b}\right )^{\frac {1}{4}}}\) | \(168\) |
default | \(\frac {\frac {\left (5 A b +3 B a \right ) x^{\frac {7}{2}}}{16 a^{2}}+\frac {\left (9 A b -B a \right ) x^{\frac {3}{2}}}{16 a b}}{\left (b \,x^{2}+a \right )^{2}}+\frac {\left (5 A b +3 B a \right ) \sqrt {2}\, \left (\ln \left (\frac {x -\left (\frac {a}{b}\right )^{\frac {1}{4}} \sqrt {x}\, \sqrt {2}+\sqrt {\frac {a}{b}}}{x +\left (\frac {a}{b}\right )^{\frac {1}{4}} \sqrt {x}\, \sqrt {2}+\sqrt {\frac {a}{b}}}\right )+2 \arctan \left (\frac {\sqrt {2}\, \sqrt {x}}{\left (\frac {a}{b}\right )^{\frac {1}{4}}}+1\right )+2 \arctan \left (\frac {\sqrt {2}\, \sqrt {x}}{\left (\frac {a}{b}\right )^{\frac {1}{4}}}-1\right )\right )}{128 a^{2} b^{2} \left (\frac {a}{b}\right )^{\frac {1}{4}}}\) | \(168\) |
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Result contains complex when optimal does not.
Time = 0.27 (sec) , antiderivative size = 878, normalized size of antiderivative = 2.95 \[ \int \frac {\sqrt {x} \left (A+B x^2\right )}{\left (a+b x^2\right )^3} \, dx=\frac {{\left (a^{2} b^{3} x^{4} + 2 \, a^{3} b^{2} x^{2} + a^{4} b\right )} \left (-\frac {81 \, B^{4} a^{4} + 540 \, A B^{3} a^{3} b + 1350 \, A^{2} B^{2} a^{2} b^{2} + 1500 \, A^{3} B a b^{3} + 625 \, A^{4} b^{4}}{a^{9} b^{7}}\right )^{\frac {1}{4}} \log \left (a^{7} b^{5} \left (-\frac {81 \, B^{4} a^{4} + 540 \, A B^{3} a^{3} b + 1350 \, A^{2} B^{2} a^{2} b^{2} + 1500 \, A^{3} B a b^{3} + 625 \, A^{4} b^{4}}{a^{9} b^{7}}\right )^{\frac {3}{4}} + {\left (27 \, B^{3} a^{3} + 135 \, A B^{2} a^{2} b + 225 \, A^{2} B a b^{2} + 125 \, A^{3} b^{3}\right )} \sqrt {x}\right ) - {\left (i \, a^{2} b^{3} x^{4} + 2 i \, a^{3} b^{2} x^{2} + i \, a^{4} b\right )} \left (-\frac {81 \, B^{4} a^{4} + 540 \, A B^{3} a^{3} b + 1350 \, A^{2} B^{2} a^{2} b^{2} + 1500 \, A^{3} B a b^{3} + 625 \, A^{4} b^{4}}{a^{9} b^{7}}\right )^{\frac {1}{4}} \log \left (i \, a^{7} b^{5} \left (-\frac {81 \, B^{4} a^{4} + 540 \, A B^{3} a^{3} b + 1350 \, A^{2} B^{2} a^{2} b^{2} + 1500 \, A^{3} B a b^{3} + 625 \, A^{4} b^{4}}{a^{9} b^{7}}\right )^{\frac {3}{4}} + {\left (27 \, B^{3} a^{3} + 135 \, A B^{2} a^{2} b + 225 \, A^{2} B a b^{2} + 125 \, A^{3} b^{3}\right )} \sqrt {x}\right ) - {\left (-i \, a^{2} b^{3} x^{4} - 2 i \, a^{3} b^{2} x^{2} - i \, a^{4} b\right )} \left (-\frac {81 \, B^{4} a^{4} + 540 \, A B^{3} a^{3} b + 1350 \, A^{2} B^{2} a^{2} b^{2} + 1500 \, A^{3} B a b^{3} + 625 \, A^{4} b^{4}}{a^{9} b^{7}}\right )^{\frac {1}{4}} \log \left (-i \, a^{7} b^{5} \left (-\frac {81 \, B^{4} a^{4} + 540 \, A B^{3} a^{3} b + 1350 \, A^{2} B^{2} a^{2} b^{2} + 1500 \, A^{3} B a b^{3} + 625 \, A^{4} b^{4}}{a^{9} b^{7}}\right )^{\frac {3}{4}} + {\left (27 \, B^{3} a^{3} + 135 \, A B^{2} a^{2} b + 225 \, A^{2} B a b^{2} + 125 \, A^{3} b^{3}\right )} \sqrt {x}\right ) - {\left (a^{2} b^{3} x^{4} + 2 \, a^{3} b^{2} x^{2} + a^{4} b\right )} \left (-\frac {81 \, B^{4} a^{4} + 540 \, A B^{3} a^{3} b + 1350 \, A^{2} B^{2} a^{2} b^{2} + 1500 \, A^{3} B a b^{3} + 625 \, A^{4} b^{4}}{a^{9} b^{7}}\right )^{\frac {1}{4}} \log \left (-a^{7} b^{5} \left (-\frac {81 \, B^{4} a^{4} + 540 \, A B^{3} a^{3} b + 1350 \, A^{2} B^{2} a^{2} b^{2} + 1500 \, A^{3} B a b^{3} + 625 \, A^{4} b^{4}}{a^{9} b^{7}}\right )^{\frac {3}{4}} + {\left (27 \, B^{3} a^{3} + 135 \, A B^{2} a^{2} b + 225 \, A^{2} B a b^{2} + 125 \, A^{3} b^{3}\right )} \sqrt {x}\right ) + 4 \, {\left ({\left (3 \, B a b + 5 \, A b^{2}\right )} x^{3} - {\left (B a^{2} - 9 \, A a b\right )} x\right )} \sqrt {x}}{64 \, {\left (a^{2} b^{3} x^{4} + 2 \, a^{3} b^{2} x^{2} + a^{4} b\right )}} \]
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Timed out. \[ \int \frac {\sqrt {x} \left (A+B x^2\right )}{\left (a+b x^2\right )^3} \, dx=\text {Timed out} \]
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none
Time = 0.28 (sec) , antiderivative size = 253, normalized size of antiderivative = 0.85 \[ \int \frac {\sqrt {x} \left (A+B x^2\right )}{\left (a+b x^2\right )^3} \, dx=\frac {{\left (3 \, B a b + 5 \, A b^{2}\right )} x^{\frac {7}{2}} - {\left (B a^{2} - 9 \, A a b\right )} x^{\frac {3}{2}}}{16 \, {\left (a^{2} b^{3} x^{4} + 2 \, a^{3} b^{2} x^{2} + a^{4} b\right )}} + \frac {{\left (3 \, B a + 5 \, A b\right )} {\left (\frac {2 \, \sqrt {2} \arctan \left (\frac {\sqrt {2} {\left (\sqrt {2} a^{\frac {1}{4}} b^{\frac {1}{4}} + 2 \, \sqrt {b} \sqrt {x}\right )}}{2 \, \sqrt {\sqrt {a} \sqrt {b}}}\right )}{\sqrt {\sqrt {a} \sqrt {b}} \sqrt {b}} + \frac {2 \, \sqrt {2} \arctan \left (-\frac {\sqrt {2} {\left (\sqrt {2} a^{\frac {1}{4}} b^{\frac {1}{4}} - 2 \, \sqrt {b} \sqrt {x}\right )}}{2 \, \sqrt {\sqrt {a} \sqrt {b}}}\right )}{\sqrt {\sqrt {a} \sqrt {b}} \sqrt {b}} - \frac {\sqrt {2} \log \left (\sqrt {2} a^{\frac {1}{4}} b^{\frac {1}{4}} \sqrt {x} + \sqrt {b} x + \sqrt {a}\right )}{a^{\frac {1}{4}} b^{\frac {3}{4}}} + \frac {\sqrt {2} \log \left (-\sqrt {2} a^{\frac {1}{4}} b^{\frac {1}{4}} \sqrt {x} + \sqrt {b} x + \sqrt {a}\right )}{a^{\frac {1}{4}} b^{\frac {3}{4}}}\right )}}{128 \, a^{2} b} \]
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none
Time = 0.31 (sec) , antiderivative size = 298, normalized size of antiderivative = 1.00 \[ \int \frac {\sqrt {x} \left (A+B x^2\right )}{\left (a+b x^2\right )^3} \, dx=\frac {3 \, B a b x^{\frac {7}{2}} + 5 \, A b^{2} x^{\frac {7}{2}} - B a^{2} x^{\frac {3}{2}} + 9 \, A a b x^{\frac {3}{2}}}{16 \, {\left (b x^{2} + a\right )}^{2} a^{2} b} + \frac {\sqrt {2} {\left (3 \, \left (a b^{3}\right )^{\frac {3}{4}} B a + 5 \, \left (a b^{3}\right )^{\frac {3}{4}} A b\right )} \arctan \left (\frac {\sqrt {2} {\left (\sqrt {2} \left (\frac {a}{b}\right )^{\frac {1}{4}} + 2 \, \sqrt {x}\right )}}{2 \, \left (\frac {a}{b}\right )^{\frac {1}{4}}}\right )}{64 \, a^{3} b^{4}} + \frac {\sqrt {2} {\left (3 \, \left (a b^{3}\right )^{\frac {3}{4}} B a + 5 \, \left (a b^{3}\right )^{\frac {3}{4}} A b\right )} \arctan \left (-\frac {\sqrt {2} {\left (\sqrt {2} \left (\frac {a}{b}\right )^{\frac {1}{4}} - 2 \, \sqrt {x}\right )}}{2 \, \left (\frac {a}{b}\right )^{\frac {1}{4}}}\right )}{64 \, a^{3} b^{4}} - \frac {\sqrt {2} {\left (3 \, \left (a b^{3}\right )^{\frac {3}{4}} B a + 5 \, \left (a b^{3}\right )^{\frac {3}{4}} A b\right )} \log \left (\sqrt {2} \sqrt {x} \left (\frac {a}{b}\right )^{\frac {1}{4}} + x + \sqrt {\frac {a}{b}}\right )}{128 \, a^{3} b^{4}} + \frac {\sqrt {2} {\left (3 \, \left (a b^{3}\right )^{\frac {3}{4}} B a + 5 \, \left (a b^{3}\right )^{\frac {3}{4}} A b\right )} \log \left (-\sqrt {2} \sqrt {x} \left (\frac {a}{b}\right )^{\frac {1}{4}} + x + \sqrt {\frac {a}{b}}\right )}{128 \, a^{3} b^{4}} \]
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Time = 5.52 (sec) , antiderivative size = 124, normalized size of antiderivative = 0.42 \[ \int \frac {\sqrt {x} \left (A+B x^2\right )}{\left (a+b x^2\right )^3} \, dx=\frac {\frac {x^{7/2}\,\left (5\,A\,b+3\,B\,a\right )}{16\,a^2}+\frac {x^{3/2}\,\left (9\,A\,b-B\,a\right )}{16\,a\,b}}{a^2+2\,a\,b\,x^2+b^2\,x^4}+\frac {\mathrm {atan}\left (\frac {b^{1/4}\,\sqrt {x}}{{\left (-a\right )}^{1/4}}\right )\,\left (5\,A\,b+3\,B\,a\right )}{32\,{\left (-a\right )}^{9/4}\,b^{7/4}}-\frac {\mathrm {atanh}\left (\frac {b^{1/4}\,\sqrt {x}}{{\left (-a\right )}^{1/4}}\right )\,\left (5\,A\,b+3\,B\,a\right )}{32\,{\left (-a\right )}^{9/4}\,b^{7/4}} \]
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