Integrand size = 22, antiderivative size = 79 \[ \int \frac {1}{(3-2 x)^{5/2} \sqrt {1-3 x+x^2}} \, dx=-\frac {4 \sqrt {1-3 x+x^2}}{15 (3-2 x)^{3/2}}-\frac {2 \sqrt {-1+3 x-x^2} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt {3-2 x}}{\sqrt [4]{5}}\right ),-1\right )}{15 \sqrt [4]{5} \sqrt {1-3 x+x^2}} \]
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Time = 0.02 (sec) , antiderivative size = 79, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.182, Rules used = {707, 705, 703, 227} \[ \int \frac {1}{(3-2 x)^{5/2} \sqrt {1-3 x+x^2}} \, dx=-\frac {2 \sqrt {-x^2+3 x-1} \operatorname {EllipticF}\left (\arcsin \left (\frac {\sqrt {3-2 x}}{\sqrt [4]{5}}\right ),-1\right )}{15 \sqrt [4]{5} \sqrt {x^2-3 x+1}}-\frac {4 \sqrt {x^2-3 x+1}}{15 (3-2 x)^{3/2}} \]
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Rule 227
Rule 703
Rule 705
Rule 707
Rubi steps \begin{align*} \text {integral}& = -\frac {4 \sqrt {1-3 x+x^2}}{15 (3-2 x)^{3/2}}+\frac {1}{15} \int \frac {1}{\sqrt {3-2 x} \sqrt {1-3 x+x^2}} \, dx \\ & = -\frac {4 \sqrt {1-3 x+x^2}}{15 (3-2 x)^{3/2}}+\frac {\sqrt {-1+3 x-x^2} \int \frac {1}{\sqrt {3-2 x} \sqrt {-\frac {1}{5}+\frac {3 x}{5}-\frac {x^2}{5}}} \, dx}{15 \sqrt {5} \sqrt {1-3 x+x^2}} \\ & = -\frac {4 \sqrt {1-3 x+x^2}}{15 (3-2 x)^{3/2}}-\frac {\left (2 \sqrt {-1+3 x-x^2}\right ) \text {Subst}\left (\int \frac {1}{\sqrt {1-\frac {x^4}{5}}} \, dx,x,\sqrt {3-2 x}\right )}{15 \sqrt {5} \sqrt {1-3 x+x^2}} \\ & = -\frac {4 \sqrt {1-3 x+x^2}}{15 (3-2 x)^{3/2}}-\frac {2 \sqrt {-1+3 x-x^2} F\left (\left .\sin ^{-1}\left (\frac {\sqrt {3-2 x}}{\sqrt [4]{5}}\right )\right |-1\right )}{15 \sqrt [4]{5} \sqrt {1-3 x+x^2}} \\ \end{align*}
Result contains higher order function than in optimal. Order 5 vs. order 4 in optimal.
Time = 10.02 (sec) , antiderivative size = 65, normalized size of antiderivative = 0.82 \[ \int \frac {1}{(3-2 x)^{5/2} \sqrt {1-3 x+x^2}} \, dx=\frac {2 \sqrt {-1+3 x-x^2} \operatorname {Hypergeometric2F1}\left (-\frac {3}{4},\frac {1}{2},\frac {1}{4},\frac {1}{5} (3-2 x)^2\right )}{3 \sqrt {5} (3-2 x)^{3/2} \sqrt {1-3 x+x^2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(141\) vs. \(2(62)=124\).
Time = 2.73 (sec) , antiderivative size = 142, normalized size of antiderivative = 1.80
method | result | size |
elliptic | \(\frac {\sqrt {-\left (-3+2 x \right ) \left (x^{2}-3 x +1\right )}\, \left (-\frac {\sqrt {-2 x^{3}+9 x^{2}-11 x +3}}{15 \left (x -\frac {3}{2}\right )^{2}}-\frac {2 \sqrt {-5 \left (x -\frac {3}{2}-\frac {\sqrt {5}}{2}\right ) \sqrt {5}}\, \sqrt {10}\, \sqrt {\left (x -\frac {3}{2}\right ) \sqrt {5}}\, \sqrt {\left (x -\frac {3}{2}+\frac {\sqrt {5}}{2}\right ) \sqrt {5}}\, F\left (\frac {\sqrt {-5 \left (x -\frac {3}{2}-\frac {\sqrt {5}}{2}\right ) \sqrt {5}}}{5}, \sqrt {2}\right )}{375 \sqrt {-2 x^{3}+9 x^{2}-11 x +3}}\right )}{\sqrt {3-2 x}\, \sqrt {x^{2}-3 x +1}}\) | \(142\) |
default | \(\frac {\left (2 \sqrt {\left (-2 x +3+\sqrt {5}\right ) \sqrt {5}}\, \sqrt {\left (-3+2 x \right ) \sqrt {5}}\, \sqrt {\left (2 x -3+\sqrt {5}\right ) \sqrt {5}}\, F\left (\frac {\sqrt {2}\, \sqrt {5}\, \sqrt {\left (-2 x +3+\sqrt {5}\right ) \sqrt {5}}}{10}, \sqrt {2}\right ) x -3 \sqrt {\left (-2 x +3+\sqrt {5}\right ) \sqrt {5}}\, \sqrt {\left (-3+2 x \right ) \sqrt {5}}\, \sqrt {\left (2 x -3+\sqrt {5}\right ) \sqrt {5}}\, F\left (\frac {\sqrt {2}\, \sqrt {5}\, \sqrt {\left (-2 x +3+\sqrt {5}\right ) \sqrt {5}}}{10}, \sqrt {2}\right )-20 x^{2}+60 x -20\right ) \sqrt {3-2 x}}{75 \sqrt {x^{2}-3 x +1}\, \left (-3+2 x \right )^{2}}\) | \(172\) |
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Result contains higher order function than in optimal. Order 9 vs. order 4.
Time = 0.11 (sec) , antiderivative size = 54, normalized size of antiderivative = 0.68 \[ \int \frac {1}{(3-2 x)^{5/2} \sqrt {1-3 x+x^2}} \, dx=-\frac {\sqrt {-2} {\left (4 \, x^{2} - 12 \, x + 9\right )} {\rm weierstrassPInverse}\left (5, 0, x - \frac {3}{2}\right ) + 4 \, \sqrt {x^{2} - 3 \, x + 1} \sqrt {-2 \, x + 3}}{15 \, {\left (4 \, x^{2} - 12 \, x + 9\right )}} \]
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\[ \int \frac {1}{(3-2 x)^{5/2} \sqrt {1-3 x+x^2}} \, dx=\int \frac {1}{\left (3 - 2 x\right )^{\frac {5}{2}} \sqrt {x^{2} - 3 x + 1}}\, dx \]
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\[ \int \frac {1}{(3-2 x)^{5/2} \sqrt {1-3 x+x^2}} \, dx=\int { \frac {1}{\sqrt {x^{2} - 3 \, x + 1} {\left (-2 \, x + 3\right )}^{\frac {5}{2}}} \,d x } \]
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\[ \int \frac {1}{(3-2 x)^{5/2} \sqrt {1-3 x+x^2}} \, dx=\int { \frac {1}{\sqrt {x^{2} - 3 \, x + 1} {\left (-2 \, x + 3\right )}^{\frac {5}{2}}} \,d x } \]
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Timed out. \[ \int \frac {1}{(3-2 x)^{5/2} \sqrt {1-3 x+x^2}} \, dx=\int \frac {1}{{\left (3-2\,x\right )}^{5/2}\,\sqrt {x^2-3\,x+1}} \,d x \]
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