Optimal. Leaf size=230 \[ \frac{7 (b c-a d)^5 \tanh ^{-1}\left (\frac{\sqrt{d} \sqrt{a+b x}}{\sqrt{b} \sqrt{c+d x}}\right )}{128 b^{3/2} d^{9/2}}-\frac{7 \sqrt{a+b x} \sqrt{c+d x} (b c-a d)^4}{128 b d^4}+\frac{7 (a+b x)^{3/2} \sqrt{c+d x} (b c-a d)^3}{192 b d^3}-\frac{7 (a+b x)^{5/2} \sqrt{c+d x} (b c-a d)^2}{240 b d^2}+\frac{(a+b x)^{7/2} \sqrt{c+d x} (b c-a d)}{40 b d}+\frac{(a+b x)^{9/2} \sqrt{c+d x}}{5 b} \]
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Rubi [A] time = 0.160316, antiderivative size = 230, normalized size of antiderivative = 1., number of steps used = 8, number of rules used = 4, integrand size = 19, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.21, Rules used = {50, 63, 217, 206} \[ \frac{7 (b c-a d)^5 \tanh ^{-1}\left (\frac{\sqrt{d} \sqrt{a+b x}}{\sqrt{b} \sqrt{c+d x}}\right )}{128 b^{3/2} d^{9/2}}-\frac{7 \sqrt{a+b x} \sqrt{c+d x} (b c-a d)^4}{128 b d^4}+\frac{7 (a+b x)^{3/2} \sqrt{c+d x} (b c-a d)^3}{192 b d^3}-\frac{7 (a+b x)^{5/2} \sqrt{c+d x} (b c-a d)^2}{240 b d^2}+\frac{(a+b x)^{7/2} \sqrt{c+d x} (b c-a d)}{40 b d}+\frac{(a+b x)^{9/2} \sqrt{c+d x}}{5 b} \]
Antiderivative was successfully verified.
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Rule 50
Rule 63
Rule 217
Rule 206
Rubi steps
\begin{align*} \int (a+b x)^{7/2} \sqrt{c+d x} \, dx &=\frac{(a+b x)^{9/2} \sqrt{c+d x}}{5 b}+\frac{(b c-a d) \int \frac{(a+b x)^{7/2}}{\sqrt{c+d x}} \, dx}{10 b}\\ &=\frac{(b c-a d) (a+b x)^{7/2} \sqrt{c+d x}}{40 b d}+\frac{(a+b x)^{9/2} \sqrt{c+d x}}{5 b}-\frac{\left (7 (b c-a d)^2\right ) \int \frac{(a+b x)^{5/2}}{\sqrt{c+d x}} \, dx}{80 b d}\\ &=-\frac{7 (b c-a d)^2 (a+b x)^{5/2} \sqrt{c+d x}}{240 b d^2}+\frac{(b c-a d) (a+b x)^{7/2} \sqrt{c+d x}}{40 b d}+\frac{(a+b x)^{9/2} \sqrt{c+d x}}{5 b}+\frac{\left (7 (b c-a d)^3\right ) \int \frac{(a+b x)^{3/2}}{\sqrt{c+d x}} \, dx}{96 b d^2}\\ &=\frac{7 (b c-a d)^3 (a+b x)^{3/2} \sqrt{c+d x}}{192 b d^3}-\frac{7 (b c-a d)^2 (a+b x)^{5/2} \sqrt{c+d x}}{240 b d^2}+\frac{(b c-a d) (a+b x)^{7/2} \sqrt{c+d x}}{40 b d}+\frac{(a+b x)^{9/2} \sqrt{c+d x}}{5 b}-\frac{\left (7 (b c-a d)^4\right ) \int \frac{\sqrt{a+b x}}{\sqrt{c+d x}} \, dx}{128 b d^3}\\ &=-\frac{7 (b c-a d)^4 \sqrt{a+b x} \sqrt{c+d x}}{128 b d^4}+\frac{7 (b c-a d)^3 (a+b x)^{3/2} \sqrt{c+d x}}{192 b d^3}-\frac{7 (b c-a d)^2 (a+b x)^{5/2} \sqrt{c+d x}}{240 b d^2}+\frac{(b c-a d) (a+b x)^{7/2} \sqrt{c+d x}}{40 b d}+\frac{(a+b x)^{9/2} \sqrt{c+d x}}{5 b}+\frac{\left (7 (b c-a d)^5\right ) \int \frac{1}{\sqrt{a+b x} \sqrt{c+d x}} \, dx}{256 b d^4}\\ &=-\frac{7 (b c-a d)^4 \sqrt{a+b x} \sqrt{c+d x}}{128 b d^4}+\frac{7 (b c-a d)^3 (a+b x)^{3/2} \sqrt{c+d x}}{192 b d^3}-\frac{7 (b c-a d)^2 (a+b x)^{5/2} \sqrt{c+d x}}{240 b d^2}+\frac{(b c-a d) (a+b x)^{7/2} \sqrt{c+d x}}{40 b d}+\frac{(a+b x)^{9/2} \sqrt{c+d x}}{5 b}+\frac{\left (7 (b c-a d)^5\right ) \operatorname{Subst}\left (\int \frac{1}{\sqrt{c-\frac{a d}{b}+\frac{d x^2}{b}}} \, dx,x,\sqrt{a+b x}\right )}{128 b^2 d^4}\\ &=-\frac{7 (b c-a d)^4 \sqrt{a+b x} \sqrt{c+d x}}{128 b d^4}+\frac{7 (b c-a d)^3 (a+b x)^{3/2} \sqrt{c+d x}}{192 b d^3}-\frac{7 (b c-a d)^2 (a+b x)^{5/2} \sqrt{c+d x}}{240 b d^2}+\frac{(b c-a d) (a+b x)^{7/2} \sqrt{c+d x}}{40 b d}+\frac{(a+b x)^{9/2} \sqrt{c+d x}}{5 b}+\frac{\left (7 (b c-a d)^5\right ) \operatorname{Subst}\left (\int \frac{1}{1-\frac{d x^2}{b}} \, dx,x,\frac{\sqrt{a+b x}}{\sqrt{c+d x}}\right )}{128 b^2 d^4}\\ &=-\frac{7 (b c-a d)^4 \sqrt{a+b x} \sqrt{c+d x}}{128 b d^4}+\frac{7 (b c-a d)^3 (a+b x)^{3/2} \sqrt{c+d x}}{192 b d^3}-\frac{7 (b c-a d)^2 (a+b x)^{5/2} \sqrt{c+d x}}{240 b d^2}+\frac{(b c-a d) (a+b x)^{7/2} \sqrt{c+d x}}{40 b d}+\frac{(a+b x)^{9/2} \sqrt{c+d x}}{5 b}+\frac{7 (b c-a d)^5 \tanh ^{-1}\left (\frac{\sqrt{d} \sqrt{a+b x}}{\sqrt{b} \sqrt{c+d x}}\right )}{128 b^{3/2} d^{9/2}}\\ \end{align*}
Mathematica [A] time = 1.51989, size = 194, normalized size = 0.84 \[ \frac{(a+b x)^{9/2} \sqrt{c+d x} \left (-\frac{70 (b c-a d)^4}{d^4 (a+b x)^4}+\frac{140 (b c-a d)^3}{3 d^3 (a+b x)^3}-\frac{112 (b c-a d)^2}{3 d^2 (a+b x)^2}+\frac{70 (b c-a d)^{9/2} \sinh ^{-1}\left (\frac{\sqrt{d} \sqrt{a+b x}}{\sqrt{b c-a d}}\right )}{d^{9/2} (a+b x)^{9/2} \sqrt{\frac{b (c+d x)}{b c-a d}}}+\frac{32 b c-32 a d}{a d+b d x}+256\right )}{1280 b} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.008, size = 858, normalized size = 3.7 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: ValueError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A] time = 2.60415, size = 1573, normalized size = 6.84 \begin{align*} \left [-\frac{105 \,{\left (b^{5} c^{5} - 5 \, a b^{4} c^{4} d + 10 \, a^{2} b^{3} c^{3} d^{2} - 10 \, a^{3} b^{2} c^{2} d^{3} + 5 \, a^{4} b c d^{4} - a^{5} d^{5}\right )} \sqrt{b d} \log \left (8 \, b^{2} d^{2} x^{2} + b^{2} c^{2} + 6 \, a b c d + a^{2} d^{2} - 4 \,{\left (2 \, b d x + b c + a d\right )} \sqrt{b d} \sqrt{b x + a} \sqrt{d x + c} + 8 \,{\left (b^{2} c d + a b d^{2}\right )} x\right ) - 4 \,{\left (384 \, b^{5} d^{5} x^{4} - 105 \, b^{5} c^{4} d + 490 \, a b^{4} c^{3} d^{2} - 896 \, a^{2} b^{3} c^{2} d^{3} + 790 \, a^{3} b^{2} c d^{4} + 105 \, a^{4} b d^{5} + 48 \,{\left (b^{5} c d^{4} + 31 \, a b^{4} d^{5}\right )} x^{3} - 8 \,{\left (7 \, b^{5} c^{2} d^{3} - 32 \, a b^{4} c d^{4} - 263 \, a^{2} b^{3} d^{5}\right )} x^{2} + 2 \,{\left (35 \, b^{5} c^{3} d^{2} - 161 \, a b^{4} c^{2} d^{3} + 289 \, a^{2} b^{3} c d^{4} + 605 \, a^{3} b^{2} d^{5}\right )} x\right )} \sqrt{b x + a} \sqrt{d x + c}}{7680 \, b^{2} d^{5}}, -\frac{105 \,{\left (b^{5} c^{5} - 5 \, a b^{4} c^{4} d + 10 \, a^{2} b^{3} c^{3} d^{2} - 10 \, a^{3} b^{2} c^{2} d^{3} + 5 \, a^{4} b c d^{4} - a^{5} d^{5}\right )} \sqrt{-b d} \arctan \left (\frac{{\left (2 \, b d x + b c + a d\right )} \sqrt{-b d} \sqrt{b x + a} \sqrt{d x + c}}{2 \,{\left (b^{2} d^{2} x^{2} + a b c d +{\left (b^{2} c d + a b d^{2}\right )} x\right )}}\right ) - 2 \,{\left (384 \, b^{5} d^{5} x^{4} - 105 \, b^{5} c^{4} d + 490 \, a b^{4} c^{3} d^{2} - 896 \, a^{2} b^{3} c^{2} d^{3} + 790 \, a^{3} b^{2} c d^{4} + 105 \, a^{4} b d^{5} + 48 \,{\left (b^{5} c d^{4} + 31 \, a b^{4} d^{5}\right )} x^{3} - 8 \,{\left (7 \, b^{5} c^{2} d^{3} - 32 \, a b^{4} c d^{4} - 263 \, a^{2} b^{3} d^{5}\right )} x^{2} + 2 \,{\left (35 \, b^{5} c^{3} d^{2} - 161 \, a b^{4} c^{2} d^{3} + 289 \, a^{2} b^{3} c d^{4} + 605 \, a^{3} b^{2} d^{5}\right )} x\right )} \sqrt{b x + a} \sqrt{d x + c}}{3840 \, b^{2} d^{5}}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] time = 1.38353, size = 1335, normalized size = 5.8 \begin{align*} \text{result too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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