Optimal. Leaf size=154 \[ -\frac {a^{5/2} (7 A b-9 a B) \tan ^{-1}\left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a}}\right )}{b^{11/2}}+\frac {a^2 \sqrt {x} (7 A b-9 a B)}{b^5}-\frac {a x^{3/2} (7 A b-9 a B)}{3 b^4}+\frac {x^{5/2} (7 A b-9 a B)}{5 b^3}-\frac {x^{7/2} (7 A b-9 a B)}{7 a b^2}+\frac {x^{9/2} (A b-a B)}{a b (a+b x)} \]
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Rubi [A] time = 0.08, antiderivative size = 154, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 4, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.222, Rules used = {78, 50, 63, 205} \begin {gather*} \frac {a^2 \sqrt {x} (7 A b-9 a B)}{b^5}-\frac {a^{5/2} (7 A b-9 a B) \tan ^{-1}\left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a}}\right )}{b^{11/2}}-\frac {x^{7/2} (7 A b-9 a B)}{7 a b^2}+\frac {x^{5/2} (7 A b-9 a B)}{5 b^3}-\frac {a x^{3/2} (7 A b-9 a B)}{3 b^4}+\frac {x^{9/2} (A b-a B)}{a b (a+b x)} \end {gather*}
Antiderivative was successfully verified.
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Rule 50
Rule 63
Rule 78
Rule 205
Rubi steps
\begin {align*} \int \frac {x^{7/2} (A+B x)}{(a+b x)^2} \, dx &=\frac {(A b-a B) x^{9/2}}{a b (a+b x)}-\frac {\left (\frac {7 A b}{2}-\frac {9 a B}{2}\right ) \int \frac {x^{7/2}}{a+b x} \, dx}{a b}\\ &=-\frac {(7 A b-9 a B) x^{7/2}}{7 a b^2}+\frac {(A b-a B) x^{9/2}}{a b (a+b x)}+\frac {(7 A b-9 a B) \int \frac {x^{5/2}}{a+b x} \, dx}{2 b^2}\\ &=\frac {(7 A b-9 a B) x^{5/2}}{5 b^3}-\frac {(7 A b-9 a B) x^{7/2}}{7 a b^2}+\frac {(A b-a B) x^{9/2}}{a b (a+b x)}-\frac {(a (7 A b-9 a B)) \int \frac {x^{3/2}}{a+b x} \, dx}{2 b^3}\\ &=-\frac {a (7 A b-9 a B) x^{3/2}}{3 b^4}+\frac {(7 A b-9 a B) x^{5/2}}{5 b^3}-\frac {(7 A b-9 a B) x^{7/2}}{7 a b^2}+\frac {(A b-a B) x^{9/2}}{a b (a+b x)}+\frac {\left (a^2 (7 A b-9 a B)\right ) \int \frac {\sqrt {x}}{a+b x} \, dx}{2 b^4}\\ &=\frac {a^2 (7 A b-9 a B) \sqrt {x}}{b^5}-\frac {a (7 A b-9 a B) x^{3/2}}{3 b^4}+\frac {(7 A b-9 a B) x^{5/2}}{5 b^3}-\frac {(7 A b-9 a B) x^{7/2}}{7 a b^2}+\frac {(A b-a B) x^{9/2}}{a b (a+b x)}-\frac {\left (a^3 (7 A b-9 a B)\right ) \int \frac {1}{\sqrt {x} (a+b x)} \, dx}{2 b^5}\\ &=\frac {a^2 (7 A b-9 a B) \sqrt {x}}{b^5}-\frac {a (7 A b-9 a B) x^{3/2}}{3 b^4}+\frac {(7 A b-9 a B) x^{5/2}}{5 b^3}-\frac {(7 A b-9 a B) x^{7/2}}{7 a b^2}+\frac {(A b-a B) x^{9/2}}{a b (a+b x)}-\frac {\left (a^3 (7 A b-9 a B)\right ) \operatorname {Subst}\left (\int \frac {1}{a+b x^2} \, dx,x,\sqrt {x}\right )}{b^5}\\ &=\frac {a^2 (7 A b-9 a B) \sqrt {x}}{b^5}-\frac {a (7 A b-9 a B) x^{3/2}}{3 b^4}+\frac {(7 A b-9 a B) x^{5/2}}{5 b^3}-\frac {(7 A b-9 a B) x^{7/2}}{7 a b^2}+\frac {(A b-a B) x^{9/2}}{a b (a+b x)}-\frac {a^{5/2} (7 A b-9 a B) \tan ^{-1}\left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a}}\right )}{b^{11/2}}\\ \end {align*}
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Mathematica [A] time = 0.11, size = 128, normalized size = 0.83 \begin {gather*} \frac {a^{5/2} (9 a B-7 A b) \tan ^{-1}\left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a}}\right )}{b^{11/2}}+\frac {\sqrt {x} \left (-945 a^4 B+105 a^3 b (7 A-6 B x)+14 a^2 b^2 x (35 A+9 B x)-2 a b^3 x^2 (49 A+27 B x)+6 b^4 x^3 (7 A+5 B x)\right )}{105 b^5 (a+b x)} \end {gather*}
Antiderivative was successfully verified.
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IntegrateAlgebraic [A] time = 0.17, size = 143, normalized size = 0.93 \begin {gather*} \frac {\left (9 a^{7/2} B-7 a^{5/2} A b\right ) \tan ^{-1}\left (\frac {\sqrt {b} \sqrt {x}}{\sqrt {a}}\right )}{b^{11/2}}+\frac {\sqrt {x} \left (-945 a^4 B+735 a^3 A b-630 a^3 b B x+490 a^2 A b^2 x+126 a^2 b^2 B x^2-98 a A b^3 x^2-54 a b^3 B x^3+42 A b^4 x^3+30 b^4 B x^4\right )}{105 b^5 (a+b x)} \end {gather*}
Antiderivative was successfully verified.
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fricas [A] time = 0.99, size = 341, normalized size = 2.21 \begin {gather*} \left [-\frac {105 \, {\left (9 \, B a^{4} - 7 \, A a^{3} b + {\left (9 \, B a^{3} b - 7 \, A a^{2} b^{2}\right )} x\right )} \sqrt {-\frac {a}{b}} \log \left (\frac {b x - 2 \, b \sqrt {x} \sqrt {-\frac {a}{b}} - a}{b x + a}\right ) - 2 \, {\left (30 \, B b^{4} x^{4} - 945 \, B a^{4} + 735 \, A a^{3} b - 6 \, {\left (9 \, B a b^{3} - 7 \, A b^{4}\right )} x^{3} + 14 \, {\left (9 \, B a^{2} b^{2} - 7 \, A a b^{3}\right )} x^{2} - 70 \, {\left (9 \, B a^{3} b - 7 \, A a^{2} b^{2}\right )} x\right )} \sqrt {x}}{210 \, {\left (b^{6} x + a b^{5}\right )}}, \frac {105 \, {\left (9 \, B a^{4} - 7 \, A a^{3} b + {\left (9 \, B a^{3} b - 7 \, A a^{2} b^{2}\right )} x\right )} \sqrt {\frac {a}{b}} \arctan \left (\frac {b \sqrt {x} \sqrt {\frac {a}{b}}}{a}\right ) + {\left (30 \, B b^{4} x^{4} - 945 \, B a^{4} + 735 \, A a^{3} b - 6 \, {\left (9 \, B a b^{3} - 7 \, A b^{4}\right )} x^{3} + 14 \, {\left (9 \, B a^{2} b^{2} - 7 \, A a b^{3}\right )} x^{2} - 70 \, {\left (9 \, B a^{3} b - 7 \, A a^{2} b^{2}\right )} x\right )} \sqrt {x}}{105 \, {\left (b^{6} x + a b^{5}\right )}}\right ] \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.32, size = 146, normalized size = 0.95 \begin {gather*} \frac {{\left (9 \, B a^{4} - 7 \, A a^{3} b\right )} \arctan \left (\frac {b \sqrt {x}}{\sqrt {a b}}\right )}{\sqrt {a b} b^{5}} - \frac {B a^{4} \sqrt {x} - A a^{3} b \sqrt {x}}{{\left (b x + a\right )} b^{5}} + \frac {2 \, {\left (15 \, B b^{12} x^{\frac {7}{2}} - 42 \, B a b^{11} x^{\frac {5}{2}} + 21 \, A b^{12} x^{\frac {5}{2}} + 105 \, B a^{2} b^{10} x^{\frac {3}{2}} - 70 \, A a b^{11} x^{\frac {3}{2}} - 420 \, B a^{3} b^{9} \sqrt {x} + 315 \, A a^{2} b^{10} \sqrt {x}\right )}}{105 \, b^{14}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.02, size = 163, normalized size = 1.06 \begin {gather*} \frac {2 B \,x^{\frac {7}{2}}}{7 b^{2}}+\frac {2 A \,x^{\frac {5}{2}}}{5 b^{2}}-\frac {4 B a \,x^{\frac {5}{2}}}{5 b^{3}}-\frac {7 A \,a^{3} \arctan \left (\frac {b \sqrt {x}}{\sqrt {a b}}\right )}{\sqrt {a b}\, b^{4}}+\frac {9 B \,a^{4} \arctan \left (\frac {b \sqrt {x}}{\sqrt {a b}}\right )}{\sqrt {a b}\, b^{5}}+\frac {A \,a^{3} \sqrt {x}}{\left (b x +a \right ) b^{4}}-\frac {4 A a \,x^{\frac {3}{2}}}{3 b^{3}}-\frac {B \,a^{4} \sqrt {x}}{\left (b x +a \right ) b^{5}}+\frac {2 B \,a^{2} x^{\frac {3}{2}}}{b^{4}}+\frac {6 A \,a^{2} \sqrt {x}}{b^{4}}-\frac {8 B \,a^{3} \sqrt {x}}{b^{5}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.80, size = 139, normalized size = 0.90 \begin {gather*} -\frac {{\left (B a^{4} - A a^{3} b\right )} \sqrt {x}}{b^{6} x + a b^{5}} + \frac {{\left (9 \, B a^{4} - 7 \, A a^{3} b\right )} \arctan \left (\frac {b \sqrt {x}}{\sqrt {a b}}\right )}{\sqrt {a b} b^{5}} + \frac {2 \, {\left (15 \, B b^{3} x^{\frac {7}{2}} - 21 \, {\left (2 \, B a b^{2} - A b^{3}\right )} x^{\frac {5}{2}} + 35 \, {\left (3 \, B a^{2} b - 2 \, A a b^{2}\right )} x^{\frac {3}{2}} - 105 \, {\left (4 \, B a^{3} - 3 \, A a^{2} b\right )} \sqrt {x}\right )}}{105 \, b^{5}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.39, size = 209, normalized size = 1.36 \begin {gather*} \sqrt {x}\,\left (\frac {2\,a\,\left (\frac {2\,a\,\left (\frac {2\,A}{b^2}-\frac {4\,B\,a}{b^3}\right )}{b}+\frac {2\,B\,a^2}{b^4}\right )}{b}-\frac {a^2\,\left (\frac {2\,A}{b^2}-\frac {4\,B\,a}{b^3}\right )}{b^2}\right )+x^{5/2}\,\left (\frac {2\,A}{5\,b^2}-\frac {4\,B\,a}{5\,b^3}\right )-x^{3/2}\,\left (\frac {2\,a\,\left (\frac {2\,A}{b^2}-\frac {4\,B\,a}{b^3}\right )}{3\,b}+\frac {2\,B\,a^2}{3\,b^4}\right )+\frac {2\,B\,x^{7/2}}{7\,b^2}-\frac {\sqrt {x}\,\left (B\,a^4-A\,a^3\,b\right )}{x\,b^6+a\,b^5}+\frac {a^{5/2}\,\mathrm {atan}\left (\frac {a^{5/2}\,\sqrt {b}\,\sqrt {x}\,\left (7\,A\,b-9\,B\,a\right )}{9\,B\,a^4-7\,A\,a^3\,b}\right )\,\left (7\,A\,b-9\,B\,a\right )}{b^{11/2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 156.28, size = 1197, normalized size = 7.77
result too large to display
Verification of antiderivative is not currently implemented for this CAS.
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