Optimal. Leaf size=838 \[ \frac{15 \sqrt [4]{3} \sqrt{2+\sqrt{3}} b^2 \left (1-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}\right ) \sqrt{\frac{2 \sqrt [3]{2} \left (-\frac{c x (b+c x)}{b^2}\right )^{2/3}+2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}+1}{\left (-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}-\sqrt{3}+1\right )^2}} E\left (\sin ^{-1}\left (\frac{-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}+\sqrt{3}+1}{-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}-\sqrt{3}+1}\right )|-7+4 \sqrt{3}\right ) \left (-\frac{c \left (c x^2+b x\right )}{b^2}\right )^{7/3}}{2 \sqrt [3]{2} c (b+2 c x) \left (c x^2+b x\right )^{7/3} \sqrt{-\frac{1-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}}{\left (-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}-\sqrt{3}+1\right )^2}}}-\frac{5 \sqrt [6]{2} 3^{3/4} b^2 \left (1-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}\right ) \sqrt{\frac{2 \sqrt [3]{2} \left (-\frac{c x (b+c x)}{b^2}\right )^{2/3}+2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}+1}{\left (-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}-\sqrt{3}+1\right )^2}} \text{EllipticF}\left (\sin ^{-1}\left (\frac{-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}+\sqrt{3}+1}{-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}-\sqrt{3}+1}\right ),-7+4 \sqrt{3}\right ) \left (-\frac{c \left (c x^2+b x\right )}{b^2}\right )^{7/3}}{c (b+2 c x) \left (c x^2+b x\right )^{7/3} \sqrt{-\frac{1-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}}{\left (-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}-\sqrt{3}+1\right )^2}}}+\frac{15 (b+2 c x) \left (-\frac{c \left (c x^2+b x\right )}{b^2}\right )^{7/3}}{\sqrt [3]{2} c \left (c x^2+b x\right )^{7/3} \left (-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}-\sqrt{3}+1\right )}+\frac{15 (b+2 c x) \left (-\frac{c \left (c x^2+b x\right )}{b^2}\right )^{7/3}}{2 c \sqrt [3]{-\frac{c x (b+c x)}{b^2}} \left (c x^2+b x\right )^{7/3}}+\frac{3 (b+2 c x) \left (-\frac{c \left (c x^2+b x\right )}{b^2}\right )^{7/3}}{4 c \left (-\frac{c x (b+c x)}{b^2}\right )^{4/3} \left (c x^2+b x\right )^{7/3}} \]
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Rubi [A] time = 1.03573, antiderivative size = 838, normalized size of antiderivative = 1., number of steps used = 8, number of rules used = 7, integrand size = 13, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.538, Rules used = {622, 619, 199, 235, 304, 219, 1879} \[ \frac{15 \sqrt [4]{3} \sqrt{2+\sqrt{3}} b^2 \left (1-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}\right ) \sqrt{\frac{2 \sqrt [3]{2} \left (-\frac{c x (b+c x)}{b^2}\right )^{2/3}+2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}+1}{\left (-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}-\sqrt{3}+1\right )^2}} E\left (\sin ^{-1}\left (\frac{-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}+\sqrt{3}+1}{-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}-\sqrt{3}+1}\right )|-7+4 \sqrt{3}\right ) \left (-\frac{c \left (c x^2+b x\right )}{b^2}\right )^{7/3}}{2 \sqrt [3]{2} c (b+2 c x) \left (c x^2+b x\right )^{7/3} \sqrt{-\frac{1-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}}{\left (-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}-\sqrt{3}+1\right )^2}}}-\frac{5 \sqrt [6]{2} 3^{3/4} b^2 \left (1-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}\right ) \sqrt{\frac{2 \sqrt [3]{2} \left (-\frac{c x (b+c x)}{b^2}\right )^{2/3}+2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}+1}{\left (-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}-\sqrt{3}+1\right )^2}} F\left (\sin ^{-1}\left (\frac{-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}+\sqrt{3}+1}{-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}-\sqrt{3}+1}\right )|-7+4 \sqrt{3}\right ) \left (-\frac{c \left (c x^2+b x\right )}{b^2}\right )^{7/3}}{c (b+2 c x) \left (c x^2+b x\right )^{7/3} \sqrt{-\frac{1-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}}{\left (-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}-\sqrt{3}+1\right )^2}}}+\frac{15 (b+2 c x) \left (-\frac{c \left (c x^2+b x\right )}{b^2}\right )^{7/3}}{\sqrt [3]{2} c \left (c x^2+b x\right )^{7/3} \left (-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}-\sqrt{3}+1\right )}+\frac{15 (b+2 c x) \left (-\frac{c \left (c x^2+b x\right )}{b^2}\right )^{7/3}}{2 c \sqrt [3]{-\frac{c x (b+c x)}{b^2}} \left (c x^2+b x\right )^{7/3}}+\frac{3 (b+2 c x) \left (-\frac{c \left (c x^2+b x\right )}{b^2}\right )^{7/3}}{4 c \left (-\frac{c x (b+c x)}{b^2}\right )^{4/3} \left (c x^2+b x\right )^{7/3}} \]
Antiderivative was successfully verified.
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Rule 622
Rule 619
Rule 199
Rule 235
Rule 304
Rule 219
Rule 1879
Rubi steps
\begin{align*} \int \frac{1}{\left (b x+c x^2\right )^{7/3}} \, dx &=\frac{\left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3} \int \frac{1}{\left (-\frac{c x}{b}-\frac{c^2 x^2}{b^2}\right )^{7/3}} \, dx}{\left (b x+c x^2\right )^{7/3}}\\ &=-\frac{\left (8\ 2^{2/3} b^2 \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3}\right ) \operatorname{Subst}\left (\int \frac{1}{\left (1-\frac{b^2 x^2}{c^2}\right )^{7/3}} \, dx,x,-\frac{c}{b}-\frac{2 c^2 x}{b^2}\right )}{c^2 \left (b x+c x^2\right )^{7/3}}\\ &=\frac{3 (b+2 c x) \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3}}{4 c \left (-\frac{c x (b+c x)}{b^2}\right )^{4/3} \left (b x+c x^2\right )^{7/3}}-\frac{\left (5\ 2^{2/3} b^2 \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3}\right ) \operatorname{Subst}\left (\int \frac{1}{\left (1-\frac{b^2 x^2}{c^2}\right )^{4/3}} \, dx,x,-\frac{c}{b}-\frac{2 c^2 x}{b^2}\right )}{c^2 \left (b x+c x^2\right )^{7/3}}\\ &=\frac{3 (b+2 c x) \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3}}{4 c \left (-\frac{c x (b+c x)}{b^2}\right )^{4/3} \left (b x+c x^2\right )^{7/3}}+\frac{15 (b+2 c x) \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3}}{2 c \sqrt [3]{-\frac{c x (b+c x)}{b^2}} \left (b x+c x^2\right )^{7/3}}+\frac{\left (5 b^2 \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3}\right ) \operatorname{Subst}\left (\int \frac{1}{\sqrt [3]{1-\frac{b^2 x^2}{c^2}}} \, dx,x,-\frac{c}{b}-\frac{2 c^2 x}{b^2}\right )}{\sqrt [3]{2} c^2 \left (b x+c x^2\right )^{7/3}}\\ &=\frac{3 (b+2 c x) \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3}}{4 c \left (-\frac{c x (b+c x)}{b^2}\right )^{4/3} \left (b x+c x^2\right )^{7/3}}+\frac{15 (b+2 c x) \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3}}{2 c \sqrt [3]{-\frac{c x (b+c x)}{b^2}} \left (b x+c x^2\right )^{7/3}}-\frac{\left (15 \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3} \sqrt{-1-\frac{4 c x}{b}-\frac{4 c^2 x^2}{b^2}}\right ) \operatorname{Subst}\left (\int \frac{x}{\sqrt{-1+x^3}} \, dx,x,2^{2/3} \sqrt [3]{-\frac{c x \left (1+\frac{c x}{b}\right )}{b}}\right )}{2 \sqrt [3]{2} \left (-\frac{c}{b}-\frac{2 c^2 x}{b^2}\right ) \left (b x+c x^2\right )^{7/3}}\\ &=\frac{3 (b+2 c x) \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3}}{4 c \left (-\frac{c x (b+c x)}{b^2}\right )^{4/3} \left (b x+c x^2\right )^{7/3}}+\frac{15 (b+2 c x) \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3}}{2 c \sqrt [3]{-\frac{c x (b+c x)}{b^2}} \left (b x+c x^2\right )^{7/3}}+\frac{\left (15 \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3} \sqrt{-1-\frac{4 c x}{b}-\frac{4 c^2 x^2}{b^2}}\right ) \operatorname{Subst}\left (\int \frac{1+\sqrt{3}-x}{\sqrt{-1+x^3}} \, dx,x,2^{2/3} \sqrt [3]{-\frac{c x \left (1+\frac{c x}{b}\right )}{b}}\right )}{2 \sqrt [3]{2} \left (-\frac{c}{b}-\frac{2 c^2 x}{b^2}\right ) \left (b x+c x^2\right )^{7/3}}-\frac{\left (15 \sqrt{2+\sqrt{3}} \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3} \sqrt{-1-\frac{4 c x}{b}-\frac{4 c^2 x^2}{b^2}}\right ) \operatorname{Subst}\left (\int \frac{1}{\sqrt{-1+x^3}} \, dx,x,2^{2/3} \sqrt [3]{-\frac{c x \left (1+\frac{c x}{b}\right )}{b}}\right )}{2^{5/6} \left (-\frac{c}{b}-\frac{2 c^2 x}{b^2}\right ) \left (b x+c x^2\right )^{7/3}}\\ &=\frac{3 (b+2 c x) \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3}}{4 c \left (-\frac{c x (b+c x)}{b^2}\right )^{4/3} \left (b x+c x^2\right )^{7/3}}+\frac{15 (b+2 c x) \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3}}{2 c \sqrt [3]{-\frac{c x (b+c x)}{b^2}} \left (b x+c x^2\right )^{7/3}}-\frac{15 b^2 \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3} \sqrt{-1-\frac{4 c x}{b}-\frac{4 c^2 x^2}{b^2}} \sqrt{-1-\frac{4 c x (b+c x)}{b^2}}}{\sqrt [3]{2} c (b+2 c x) \left (b x+c x^2\right )^{7/3} \left (1-\sqrt{3}-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}\right )}+\frac{15 \sqrt [4]{3} \sqrt{2+\sqrt{3}} b^2 \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3} \sqrt{-1-\frac{4 c x}{b}-\frac{4 c^2 x^2}{b^2}} \left (1-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}\right ) \sqrt{\frac{1+2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}+2 \sqrt [3]{2} \left (-\frac{c x (b+c x)}{b^2}\right )^{2/3}}{\left (1-\sqrt{3}-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}\right )^2}} E\left (\sin ^{-1}\left (\frac{1+\sqrt{3}-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}}{1-\sqrt{3}-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}}\right )|-7+4 \sqrt{3}\right )}{2 \sqrt [3]{2} c (b+2 c x) \left (b x+c x^2\right )^{7/3} \sqrt{-1-\frac{4 c x (b+c x)}{b^2}} \sqrt{-\frac{1-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}}{\left (1-\sqrt{3}-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}\right )^2}}}-\frac{5 \sqrt [6]{2} 3^{3/4} b^2 \left (-\frac{c \left (b x+c x^2\right )}{b^2}\right )^{7/3} \sqrt{-1-\frac{4 c x}{b}-\frac{4 c^2 x^2}{b^2}} \left (1-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}\right ) \sqrt{\frac{1+2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}+2 \sqrt [3]{2} \left (-\frac{c x (b+c x)}{b^2}\right )^{2/3}}{\left (1-\sqrt{3}-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}\right )^2}} F\left (\sin ^{-1}\left (\frac{1+\sqrt{3}-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}}{1-\sqrt{3}-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}}\right )|-7+4 \sqrt{3}\right )}{c (b+2 c x) \left (b x+c x^2\right )^{7/3} \sqrt{-1-\frac{4 c x (b+c x)}{b^2}} \sqrt{-\frac{1-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}}{\left (1-\sqrt{3}-2^{2/3} \sqrt [3]{-\frac{c x (b+c x)}{b^2}}\right )^2}}}\\ \end{align*}
Mathematica [C] time = 0.0121808, size = 50, normalized size = 0.06 \[ -\frac{3 \sqrt [3]{\frac{c x}{b}+1} \, _2F_1\left (-\frac{4}{3},\frac{7}{3};-\frac{1}{3};-\frac{c x}{b}\right )}{4 b^2 x \sqrt [3]{x (b+c x)}} \]
Antiderivative was successfully verified.
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Maple [F] time = 1.415, size = 0, normalized size = 0. \begin{align*} \int \left ( c{x}^{2}+bx \right ) ^{-{\frac{7}{3}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{{\left (c x^{2} + b x\right )}^{\frac{7}{3}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{{\left (c x^{2} + b x\right )}^{\frac{2}{3}}}{c^{3} x^{6} + 3 \, b c^{2} x^{5} + 3 \, b^{2} c x^{4} + b^{3} x^{3}}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{\left (b x + c x^{2}\right )^{\frac{7}{3}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{1}{{\left (c x^{2} + b x\right )}^{\frac{7}{3}}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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