Integrand size = 19, antiderivative size = 283 \[ \int x^2 \sqrt {b x^{2/3}+a x} \, dx=\frac {8192 b^6 \left (b x^{2/3}+a x\right )^{3/2}}{46189 a^7}-\frac {131072 b^9 \left (b x^{2/3}+a x\right )^{3/2}}{1616615 a^{10} x}+\frac {196608 b^8 \left (b x^{2/3}+a x\right )^{3/2}}{1616615 a^9 x^{2/3}}-\frac {49152 b^7 \left (b x^{2/3}+a x\right )^{3/2}}{323323 a^8 \sqrt [3]{x}}-\frac {9216 b^5 \sqrt [3]{x} \left (b x^{2/3}+a x\right )^{3/2}}{46189 a^6}+\frac {4608 b^4 x^{2/3} \left (b x^{2/3}+a x\right )^{3/2}}{20995 a^5}-\frac {384 b^3 x \left (b x^{2/3}+a x\right )^{3/2}}{1615 a^4}+\frac {576 b^2 x^{4/3} \left (b x^{2/3}+a x\right )^{3/2}}{2261 a^3}-\frac {36 b x^{5/3} \left (b x^{2/3}+a x\right )^{3/2}}{133 a^2}+\frac {2 x^2 \left (b x^{2/3}+a x\right )^{3/2}}{7 a} \]
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Time = 0.29 (sec) , antiderivative size = 283, normalized size of antiderivative = 1.00, number of steps used = 10, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.158, Rules used = {2041, 2027, 2039} \[ \int x^2 \sqrt {b x^{2/3}+a x} \, dx=-\frac {131072 b^9 \left (a x+b x^{2/3}\right )^{3/2}}{1616615 a^{10} x}+\frac {196608 b^8 \left (a x+b x^{2/3}\right )^{3/2}}{1616615 a^9 x^{2/3}}-\frac {49152 b^7 \left (a x+b x^{2/3}\right )^{3/2}}{323323 a^8 \sqrt [3]{x}}+\frac {8192 b^6 \left (a x+b x^{2/3}\right )^{3/2}}{46189 a^7}-\frac {9216 b^5 \sqrt [3]{x} \left (a x+b x^{2/3}\right )^{3/2}}{46189 a^6}+\frac {4608 b^4 x^{2/3} \left (a x+b x^{2/3}\right )^{3/2}}{20995 a^5}-\frac {384 b^3 x \left (a x+b x^{2/3}\right )^{3/2}}{1615 a^4}+\frac {576 b^2 x^{4/3} \left (a x+b x^{2/3}\right )^{3/2}}{2261 a^3}-\frac {36 b x^{5/3} \left (a x+b x^{2/3}\right )^{3/2}}{133 a^2}+\frac {2 x^2 \left (a x+b x^{2/3}\right )^{3/2}}{7 a} \]
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Rule 2027
Rule 2039
Rule 2041
Rubi steps \begin{align*} \text {integral}& = \frac {2 x^2 \left (b x^{2/3}+a x\right )^{3/2}}{7 a}-\frac {(6 b) \int x^{5/3} \sqrt {b x^{2/3}+a x} \, dx}{7 a} \\ & = -\frac {36 b x^{5/3} \left (b x^{2/3}+a x\right )^{3/2}}{133 a^2}+\frac {2 x^2 \left (b x^{2/3}+a x\right )^{3/2}}{7 a}+\frac {\left (96 b^2\right ) \int x^{4/3} \sqrt {b x^{2/3}+a x} \, dx}{133 a^2} \\ & = \frac {576 b^2 x^{4/3} \left (b x^{2/3}+a x\right )^{3/2}}{2261 a^3}-\frac {36 b x^{5/3} \left (b x^{2/3}+a x\right )^{3/2}}{133 a^2}+\frac {2 x^2 \left (b x^{2/3}+a x\right )^{3/2}}{7 a}-\frac {\left (192 b^3\right ) \int x \sqrt {b x^{2/3}+a x} \, dx}{323 a^3} \\ & = -\frac {384 b^3 x \left (b x^{2/3}+a x\right )^{3/2}}{1615 a^4}+\frac {576 b^2 x^{4/3} \left (b x^{2/3}+a x\right )^{3/2}}{2261 a^3}-\frac {36 b x^{5/3} \left (b x^{2/3}+a x\right )^{3/2}}{133 a^2}+\frac {2 x^2 \left (b x^{2/3}+a x\right )^{3/2}}{7 a}+\frac {\left (768 b^4\right ) \int x^{2/3} \sqrt {b x^{2/3}+a x} \, dx}{1615 a^4} \\ & = \frac {4608 b^4 x^{2/3} \left (b x^{2/3}+a x\right )^{3/2}}{20995 a^5}-\frac {384 b^3 x \left (b x^{2/3}+a x\right )^{3/2}}{1615 a^4}+\frac {576 b^2 x^{4/3} \left (b x^{2/3}+a x\right )^{3/2}}{2261 a^3}-\frac {36 b x^{5/3} \left (b x^{2/3}+a x\right )^{3/2}}{133 a^2}+\frac {2 x^2 \left (b x^{2/3}+a x\right )^{3/2}}{7 a}-\frac {\left (1536 b^5\right ) \int \sqrt [3]{x} \sqrt {b x^{2/3}+a x} \, dx}{4199 a^5} \\ & = -\frac {9216 b^5 \sqrt [3]{x} \left (b x^{2/3}+a x\right )^{3/2}}{46189 a^6}+\frac {4608 b^4 x^{2/3} \left (b x^{2/3}+a x\right )^{3/2}}{20995 a^5}-\frac {384 b^3 x \left (b x^{2/3}+a x\right )^{3/2}}{1615 a^4}+\frac {576 b^2 x^{4/3} \left (b x^{2/3}+a x\right )^{3/2}}{2261 a^3}-\frac {36 b x^{5/3} \left (b x^{2/3}+a x\right )^{3/2}}{133 a^2}+\frac {2 x^2 \left (b x^{2/3}+a x\right )^{3/2}}{7 a}+\frac {\left (12288 b^6\right ) \int \sqrt {b x^{2/3}+a x} \, dx}{46189 a^6} \\ & = \frac {8192 b^6 \left (b x^{2/3}+a x\right )^{3/2}}{46189 a^7}-\frac {9216 b^5 \sqrt [3]{x} \left (b x^{2/3}+a x\right )^{3/2}}{46189 a^6}+\frac {4608 b^4 x^{2/3} \left (b x^{2/3}+a x\right )^{3/2}}{20995 a^5}-\frac {384 b^3 x \left (b x^{2/3}+a x\right )^{3/2}}{1615 a^4}+\frac {576 b^2 x^{4/3} \left (b x^{2/3}+a x\right )^{3/2}}{2261 a^3}-\frac {36 b x^{5/3} \left (b x^{2/3}+a x\right )^{3/2}}{133 a^2}+\frac {2 x^2 \left (b x^{2/3}+a x\right )^{3/2}}{7 a}-\frac {\left (8192 b^7\right ) \int \frac {\sqrt {b x^{2/3}+a x}}{\sqrt [3]{x}} \, dx}{46189 a^7} \\ & = \frac {8192 b^6 \left (b x^{2/3}+a x\right )^{3/2}}{46189 a^7}-\frac {49152 b^7 \left (b x^{2/3}+a x\right )^{3/2}}{323323 a^8 \sqrt [3]{x}}-\frac {9216 b^5 \sqrt [3]{x} \left (b x^{2/3}+a x\right )^{3/2}}{46189 a^6}+\frac {4608 b^4 x^{2/3} \left (b x^{2/3}+a x\right )^{3/2}}{20995 a^5}-\frac {384 b^3 x \left (b x^{2/3}+a x\right )^{3/2}}{1615 a^4}+\frac {576 b^2 x^{4/3} \left (b x^{2/3}+a x\right )^{3/2}}{2261 a^3}-\frac {36 b x^{5/3} \left (b x^{2/3}+a x\right )^{3/2}}{133 a^2}+\frac {2 x^2 \left (b x^{2/3}+a x\right )^{3/2}}{7 a}+\frac {\left (32768 b^8\right ) \int \frac {\sqrt {b x^{2/3}+a x}}{x^{2/3}} \, dx}{323323 a^8} \\ & = \frac {8192 b^6 \left (b x^{2/3}+a x\right )^{3/2}}{46189 a^7}+\frac {196608 b^8 \left (b x^{2/3}+a x\right )^{3/2}}{1616615 a^9 x^{2/3}}-\frac {49152 b^7 \left (b x^{2/3}+a x\right )^{3/2}}{323323 a^8 \sqrt [3]{x}}-\frac {9216 b^5 \sqrt [3]{x} \left (b x^{2/3}+a x\right )^{3/2}}{46189 a^6}+\frac {4608 b^4 x^{2/3} \left (b x^{2/3}+a x\right )^{3/2}}{20995 a^5}-\frac {384 b^3 x \left (b x^{2/3}+a x\right )^{3/2}}{1615 a^4}+\frac {576 b^2 x^{4/3} \left (b x^{2/3}+a x\right )^{3/2}}{2261 a^3}-\frac {36 b x^{5/3} \left (b x^{2/3}+a x\right )^{3/2}}{133 a^2}+\frac {2 x^2 \left (b x^{2/3}+a x\right )^{3/2}}{7 a}-\frac {\left (65536 b^9\right ) \int \frac {\sqrt {b x^{2/3}+a x}}{x} \, dx}{1616615 a^9} \\ & = \frac {8192 b^6 \left (b x^{2/3}+a x\right )^{3/2}}{46189 a^7}-\frac {131072 b^9 \left (b x^{2/3}+a x\right )^{3/2}}{1616615 a^{10} x}+\frac {196608 b^8 \left (b x^{2/3}+a x\right )^{3/2}}{1616615 a^9 x^{2/3}}-\frac {49152 b^7 \left (b x^{2/3}+a x\right )^{3/2}}{323323 a^8 \sqrt [3]{x}}-\frac {9216 b^5 \sqrt [3]{x} \left (b x^{2/3}+a x\right )^{3/2}}{46189 a^6}+\frac {4608 b^4 x^{2/3} \left (b x^{2/3}+a x\right )^{3/2}}{20995 a^5}-\frac {384 b^3 x \left (b x^{2/3}+a x\right )^{3/2}}{1615 a^4}+\frac {576 b^2 x^{4/3} \left (b x^{2/3}+a x\right )^{3/2}}{2261 a^3}-\frac {36 b x^{5/3} \left (b x^{2/3}+a x\right )^{3/2}}{133 a^2}+\frac {2 x^2 \left (b x^{2/3}+a x\right )^{3/2}}{7 a} \\ \end{align*}
Time = 0.15 (sec) , antiderivative size = 133, normalized size of antiderivative = 0.47 \[ \int x^2 \sqrt {b x^{2/3}+a x} \, dx=\frac {2 \left (b x^{2/3}+a x\right )^{3/2} \left (-65536 b^9+98304 a b^8 \sqrt [3]{x}-122880 a^2 b^7 x^{2/3}+143360 a^3 b^6 x-161280 a^4 b^5 x^{4/3}+177408 a^5 b^4 x^{5/3}-192192 a^6 b^3 x^2+205920 a^7 b^2 x^{7/3}-218790 a^8 b x^{8/3}+230945 a^9 x^3\right )}{1616615 a^{10} x} \]
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Time = 2.07 (sec) , antiderivative size = 123, normalized size of antiderivative = 0.43
method | result | size |
derivativedivides | \(\frac {2 \sqrt {b \,x^{\frac {2}{3}}+a x}\, \left (b +a \,x^{\frac {1}{3}}\right ) \left (230945 a^{9} x^{3}-218790 a^{8} b \,x^{\frac {8}{3}}+205920 a^{7} b^{2} x^{\frac {7}{3}}-192192 a^{6} b^{3} x^{2}+177408 a^{5} b^{4} x^{\frac {5}{3}}-161280 a^{4} b^{5} x^{\frac {4}{3}}+143360 a^{3} b^{6} x -122880 a^{2} b^{7} x^{\frac {2}{3}}+98304 a \,b^{8} x^{\frac {1}{3}}-65536 b^{9}\right )}{1616615 x^{\frac {1}{3}} a^{10}}\) | \(123\) |
default | \(-\frac {2 \sqrt {b \,x^{\frac {2}{3}}+a x}\, \left (b +a \,x^{\frac {1}{3}}\right ) \left (218790 a^{8} b \,x^{\frac {8}{3}}-205920 a^{7} b^{2} x^{\frac {7}{3}}-177408 a^{5} b^{4} x^{\frac {5}{3}}+161280 a^{4} b^{5} x^{\frac {4}{3}}-230945 a^{9} x^{3}+122880 a^{2} b^{7} x^{\frac {2}{3}}+192192 a^{6} b^{3} x^{2}-98304 a \,b^{8} x^{\frac {1}{3}}-143360 a^{3} b^{6} x +65536 b^{9}\right )}{1616615 x^{\frac {1}{3}} a^{10}}\) | \(123\) |
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Leaf count of result is larger than twice the leaf count of optimal. 1031 vs. \(2 (211) = 422\).
Time = 150.03 (sec) , antiderivative size = 1031, normalized size of antiderivative = 3.64 \[ \int x^2 \sqrt {b x^{2/3}+a x} \, dx=\text {Too large to display} \]
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\[ \int x^2 \sqrt {b x^{2/3}+a x} \, dx=\int x^{2} \sqrt {a x + b x^{\frac {2}{3}}}\, dx \]
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\[ \int x^2 \sqrt {b x^{2/3}+a x} \, dx=\int { \sqrt {a x + b x^{\frac {2}{3}}} x^{2} \,d x } \]
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Time = 0.30 (sec) , antiderivative size = 312, normalized size of antiderivative = 1.10 \[ \int x^2 \sqrt {b x^{2/3}+a x} \, dx=\frac {131072 \, b^{\frac {21}{2}}}{1616615 \, a^{10}} + \frac {2 \, {\left (\frac {21 \, {\left (12155 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {19}{2}} - 122265 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {17}{2}} b + 554268 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {15}{2}} b^{2} - 1492260 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {13}{2}} b^{3} + 2645370 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {11}{2}} b^{4} - 3233230 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {9}{2}} b^{5} + 2771340 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {7}{2}} b^{6} - 1662804 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {5}{2}} b^{7} + 692835 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {3}{2}} b^{8} - 230945 \, \sqrt {a x^{\frac {1}{3}} + b} b^{9}\right )} b}{a^{9}} + \frac {5 \, {\left (46189 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {21}{2}} - 510510 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {19}{2}} b + 2567565 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {17}{2}} b^{2} - 7759752 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {15}{2}} b^{3} + 15668730 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {13}{2}} b^{4} - 22221108 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {11}{2}} b^{5} + 22632610 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {9}{2}} b^{6} - 16628040 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {7}{2}} b^{7} + 8729721 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {5}{2}} b^{8} - 3233230 \, {\left (a x^{\frac {1}{3}} + b\right )}^{\frac {3}{2}} b^{9} + 969969 \, \sqrt {a x^{\frac {1}{3}} + b} b^{10}\right )}}{a^{9}}\right )}}{1616615 \, a} \]
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Timed out. \[ \int x^2 \sqrt {b x^{2/3}+a x} \, dx=\int x^2\,\sqrt {a\,x+b\,x^{2/3}} \,d x \]
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