Integrand size = 13, antiderivative size = 119 \[ \int \left (b x+c x^2\right )^{5/4} \, dx=-\frac {5 b^2 (b+2 c x) \sqrt [4]{b x+c x^2}}{84 c^2}+\frac {(b+2 c x) \left (b x+c x^2\right )^{5/4}}{7 c}+\frac {5 b^5 \left (-\frac {c \left (b x+c x^2\right )}{b^2}\right )^{3/4} \operatorname {EllipticF}\left (\frac {1}{2} \arcsin \left (1+\frac {2 c x}{b}\right ),2\right )}{84 \sqrt {2} c^3 \left (b x+c x^2\right )^{3/4}} \]
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Time = 0.04 (sec) , antiderivative size = 119, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.308, Rules used = {626, 636, 633, 238} \[ \int \left (b x+c x^2\right )^{5/4} \, dx=\frac {5 b^5 \left (-\frac {c \left (b x+c x^2\right )}{b^2}\right )^{3/4} \operatorname {EllipticF}\left (\frac {1}{2} \arcsin \left (\frac {2 c x}{b}+1\right ),2\right )}{84 \sqrt {2} c^3 \left (b x+c x^2\right )^{3/4}}-\frac {5 b^2 (b+2 c x) \sqrt [4]{b x+c x^2}}{84 c^2}+\frac {(b+2 c x) \left (b x+c x^2\right )^{5/4}}{7 c} \]
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Rule 238
Rule 626
Rule 633
Rule 636
Rubi steps \begin{align*} \text {integral}& = \frac {(b+2 c x) \left (b x+c x^2\right )^{5/4}}{7 c}-\frac {\left (5 b^2\right ) \int \sqrt [4]{b x+c x^2} \, dx}{28 c} \\ & = -\frac {5 b^2 (b+2 c x) \sqrt [4]{b x+c x^2}}{84 c^2}+\frac {(b+2 c x) \left (b x+c x^2\right )^{5/4}}{7 c}+\frac {\left (5 b^4\right ) \int \frac {1}{\left (b x+c x^2\right )^{3/4}} \, dx}{336 c^2} \\ & = -\frac {5 b^2 (b+2 c x) \sqrt [4]{b x+c x^2}}{84 c^2}+\frac {(b+2 c x) \left (b x+c x^2\right )^{5/4}}{7 c}+\frac {\left (5 b^4 \left (-\frac {c \left (b x+c x^2\right )}{b^2}\right )^{3/4}\right ) \int \frac {1}{\left (-\frac {c x}{b}-\frac {c^2 x^2}{b^2}\right )^{3/4}} \, dx}{336 c^2 \left (b x+c x^2\right )^{3/4}} \\ & = -\frac {5 b^2 (b+2 c x) \sqrt [4]{b x+c x^2}}{84 c^2}+\frac {(b+2 c x) \left (b x+c x^2\right )^{5/4}}{7 c}-\frac {\left (5 b^6 \left (-\frac {c \left (b x+c x^2\right )}{b^2}\right )^{3/4}\right ) \text {Subst}\left (\int \frac {1}{\left (1-\frac {b^2 x^2}{c^2}\right )^{3/4}} \, dx,x,-\frac {c}{b}-\frac {2 c^2 x}{b^2}\right )}{168 \sqrt {2} c^4 \left (b x+c x^2\right )^{3/4}} \\ & = -\frac {5 b^2 (b+2 c x) \sqrt [4]{b x+c x^2}}{84 c^2}+\frac {(b+2 c x) \left (b x+c x^2\right )^{5/4}}{7 c}+\frac {5 b^5 \left (-\frac {c \left (b x+c x^2\right )}{b^2}\right )^{3/4} F\left (\left .\frac {1}{2} \sin ^{-1}\left (1+\frac {2 c x}{b}\right )\right |2\right )}{84 \sqrt {2} c^3 \left (b x+c x^2\right )^{3/4}} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 4 in optimal.
Time = 10.02 (sec) , antiderivative size = 48, normalized size of antiderivative = 0.40 \[ \int \left (b x+c x^2\right )^{5/4} \, dx=\frac {4 b x^2 \sqrt [4]{x (b+c x)} \operatorname {Hypergeometric2F1}\left (-\frac {5}{4},\frac {9}{4},\frac {13}{4},-\frac {c x}{b}\right )}{9 \sqrt [4]{1+\frac {c x}{b}}} \]
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\[\int \left (c \,x^{2}+b x \right )^{\frac {5}{4}}d x\]
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\[ \int \left (b x+c x^2\right )^{5/4} \, dx=\int { {\left (c x^{2} + b x\right )}^{\frac {5}{4}} \,d x } \]
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\[ \int \left (b x+c x^2\right )^{5/4} \, dx=\int \left (b x + c x^{2}\right )^{\frac {5}{4}}\, dx \]
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\[ \int \left (b x+c x^2\right )^{5/4} \, dx=\int { {\left (c x^{2} + b x\right )}^{\frac {5}{4}} \,d x } \]
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\[ \int \left (b x+c x^2\right )^{5/4} \, dx=\int { {\left (c x^{2} + b x\right )}^{\frac {5}{4}} \,d x } \]
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Time = 9.07 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.30 \[ \int \left (b x+c x^2\right )^{5/4} \, dx=\frac {4\,x\,{\left (c\,x^2+b\,x\right )}^{5/4}\,{{}}_2{\mathrm {F}}_1\left (-\frac {5}{4},\frac {9}{4};\ \frac {13}{4};\ -\frac {c\,x}{b}\right )}{9\,{\left (\frac {c\,x}{b}+1\right )}^{5/4}} \]
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