Optimal. Leaf size=55 \[ \frac {b^2-4 a c}{28 c^2 d (b d+2 c d x)^{7/2}}-\frac {1}{12 c^2 d^3 (b d+2 c d x)^{3/2}} \]
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Rubi [A]
time = 0.02, antiderivative size = 55, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 1, integrand size = 24, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.042, Rules used = {697}
\begin {gather*} \frac {b^2-4 a c}{28 c^2 d (b d+2 c d x)^{7/2}}-\frac {1}{12 c^2 d^3 (b d+2 c d x)^{3/2}} \end {gather*}
Antiderivative was successfully verified.
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Rule 697
Rubi steps
\begin {align*} \int \frac {a+b x+c x^2}{(b d+2 c d x)^{9/2}} \, dx &=\int \left (\frac {-b^2+4 a c}{4 c (b d+2 c d x)^{9/2}}+\frac {1}{4 c d^2 (b d+2 c d x)^{5/2}}\right ) \, dx\\ &=\frac {b^2-4 a c}{28 c^2 d (b d+2 c d x)^{7/2}}-\frac {1}{12 c^2 d^3 (b d+2 c d x)^{3/2}}\\ \end {align*}
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Mathematica [A]
time = 0.04, size = 42, normalized size = 0.76 \begin {gather*} \frac {3 b^2-12 a c-7 (b+2 c x)^2}{84 c^2 d (d (b+2 c x))^{7/2}} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.45, size = 49, normalized size = 0.89
method | result | size |
gosper | \(-\frac {\left (2 c x +b \right ) \left (7 c^{2} x^{2}+7 b c x +3 a c +b^{2}\right )}{21 c^{2} \left (2 c d x +b d \right )^{\frac {9}{2}}}\) | \(44\) |
derivativedivides | \(\frac {-\frac {1}{3 \left (2 c d x +b d \right )^{\frac {3}{2}}}-\frac {d^{2} \left (4 a c -b^{2}\right )}{7 \left (2 c d x +b d \right )^{\frac {7}{2}}}}{4 c^{2} d^{3}}\) | \(49\) |
default | \(\frac {-\frac {1}{3 \left (2 c d x +b d \right )^{\frac {3}{2}}}-\frac {d^{2} \left (4 a c -b^{2}\right )}{7 \left (2 c d x +b d \right )^{\frac {7}{2}}}}{4 c^{2} d^{3}}\) | \(49\) |
trager | \(-\frac {\left (7 c^{2} x^{2}+7 b c x +3 a c +b^{2}\right ) \sqrt {2 c d x +b d}}{21 d^{5} \left (2 c x +b \right )^{4} c^{2}}\) | \(49\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.27, size = 46, normalized size = 0.84 \begin {gather*} \frac {3 \, {\left (b^{2} - 4 \, a c\right )} d^{2} - 7 \, {\left (2 \, c d x + b d\right )}^{2}}{84 \, {\left (2 \, c d x + b d\right )}^{\frac {7}{2}} c^{2} d^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 96 vs.
\(2 (47) = 94\).
time = 2.66, size = 96, normalized size = 1.75 \begin {gather*} -\frac {{\left (7 \, c^{2} x^{2} + 7 \, b c x + b^{2} + 3 \, a c\right )} \sqrt {2 \, c d x + b d}}{21 \, {\left (16 \, c^{6} d^{5} x^{4} + 32 \, b c^{5} d^{5} x^{3} + 24 \, b^{2} c^{4} d^{5} x^{2} + 8 \, b^{3} c^{3} d^{5} x + b^{4} c^{2} d^{5}\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 360 vs.
\(2 (51) = 102\).
time = 0.85, size = 360, normalized size = 6.55 \begin {gather*} \begin {cases} - \frac {3 a c \sqrt {b d + 2 c d x}}{21 b^{4} c^{2} d^{5} + 168 b^{3} c^{3} d^{5} x + 504 b^{2} c^{4} d^{5} x^{2} + 672 b c^{5} d^{5} x^{3} + 336 c^{6} d^{5} x^{4}} - \frac {b^{2} \sqrt {b d + 2 c d x}}{21 b^{4} c^{2} d^{5} + 168 b^{3} c^{3} d^{5} x + 504 b^{2} c^{4} d^{5} x^{2} + 672 b c^{5} d^{5} x^{3} + 336 c^{6} d^{5} x^{4}} - \frac {7 b c x \sqrt {b d + 2 c d x}}{21 b^{4} c^{2} d^{5} + 168 b^{3} c^{3} d^{5} x + 504 b^{2} c^{4} d^{5} x^{2} + 672 b c^{5} d^{5} x^{3} + 336 c^{6} d^{5} x^{4}} - \frac {7 c^{2} x^{2} \sqrt {b d + 2 c d x}}{21 b^{4} c^{2} d^{5} + 168 b^{3} c^{3} d^{5} x + 504 b^{2} c^{4} d^{5} x^{2} + 672 b c^{5} d^{5} x^{3} + 336 c^{6} d^{5} x^{4}} & \text {for}\: c \neq 0 \\\frac {a x + \frac {b x^{2}}{2}}{\left (b d\right )^{\frac {9}{2}}} & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 1.52, size = 48, normalized size = 0.87 \begin {gather*} \frac {3 \, b^{2} d^{2} - 12 \, a c d^{2} - 7 \, {\left (2 \, c d x + b d\right )}^{2}}{84 \, {\left (2 \, c d x + b d\right )}^{\frac {7}{2}} c^{2} d^{3}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.47, size = 39, normalized size = 0.71 \begin {gather*} -\frac {\frac {4\,a\,c}{7}+\frac {{\left (b+2\,c\,x\right )}^2}{3}-\frac {b^2}{7}}{4\,c^2\,d\,{\left (b\,d+2\,c\,d\,x\right )}^{7/2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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