Optimal. Leaf size=55 \[ \frac{(b d+2 c d x)^{7/2}}{28 c^2 d^3}-\frac{\left (b^2-4 a c\right ) (b d+2 c d x)^{3/2}}{12 c^2 d} \]
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Rubi [A] time = 0.0221096, antiderivative size = 55, normalized size of antiderivative = 1., 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 = {683} \[ \frac{(b d+2 c d x)^{7/2}}{28 c^2 d^3}-\frac{\left (b^2-4 a c\right ) (b d+2 c d x)^{3/2}}{12 c^2 d} \]
Antiderivative was successfully verified.
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Rule 683
Rubi steps
\begin{align*} \int \sqrt{b d+2 c d x} \left (a+b x+c x^2\right ) \, dx &=\int \left (\frac{\left (-b^2+4 a c\right ) \sqrt{b d+2 c d x}}{4 c}+\frac{(b d+2 c d x)^{5/2}}{4 c d^2}\right ) \, dx\\ &=-\frac{\left (b^2-4 a c\right ) (b d+2 c d x)^{3/2}}{12 c^2 d}+\frac{(b d+2 c d x)^{7/2}}{28 c^2 d^3}\\ \end{align*}
Mathematica [A] time = 0.0235017, size = 45, normalized size = 0.82 \[ \frac{\left (c \left (7 a+3 c x^2\right )-b^2+3 b c x\right ) (d (b+2 c x))^{3/2}}{21 c^2 d} \]
Antiderivative was successfully verified.
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Maple [A] time = 0.042, size = 46, normalized size = 0.8 \begin{align*}{\frac{ \left ( 2\,cx+b \right ) \left ( 3\,{c}^{2}{x}^{2}+3\,bcx+7\,ac-{b}^{2} \right ) }{21\,{c}^{2}}\sqrt{2\,cdx+bd}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A] time = 1.02077, size = 62, normalized size = 1.13 \begin{align*} -\frac{7 \,{\left (2 \, c d x + b d\right )}^{\frac{3}{2}}{\left (b^{2} - 4 \, a c\right )} d^{2} - 3 \,{\left (2 \, c d x + b d\right )}^{\frac{7}{2}}}{84 \, c^{2} d^{3}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 1.90143, size = 128, normalized size = 2.33 \begin{align*} \frac{{\left (6 \, c^{3} x^{3} + 9 \, b c^{2} x^{2} - b^{3} + 7 \, a b c +{\left (b^{2} c + 14 \, a c^{2}\right )} x\right )} \sqrt{2 \, c d x + b d}}{21 \, c^{2}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [A] time = 3.23593, size = 48, normalized size = 0.87 \begin{align*} \frac{\frac{\left (4 a c - b^{2}\right ) \left (b d + 2 c d x\right )^{\frac{3}{2}}}{12 c} + \frac{\left (b d + 2 c d x\right )^{\frac{7}{2}}}{28 c d^{2}}}{c d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.14305, size = 157, normalized size = 2.85 \begin{align*} \frac{140 \,{\left (2 \, c d x + b d\right )}^{\frac{3}{2}} a - \frac{14 \,{\left (5 \,{\left (2 \, c d x + b d\right )}^{\frac{3}{2}} b d - 3 \,{\left (2 \, c d x + b d\right )}^{\frac{5}{2}}\right )} b}{c d} + \frac{35 \,{\left (2 \, c d x + b d\right )}^{\frac{3}{2}} b^{2} d^{2} - 42 \,{\left (2 \, c d x + b d\right )}^{\frac{5}{2}} b d + 15 \,{\left (2 \, c d x + b d\right )}^{\frac{7}{2}}}{c d^{2}}}{420 \, c d} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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