Integrand size = 26, antiderivative size = 255 \[ \int x^6 \left (a^2+2 a b x^3+b^2 x^6\right )^{5/2} \, dx=\frac {a^5 x^7 \sqrt {a^2+2 a b x^3+b^2 x^6}}{7 \left (a+b x^3\right )}+\frac {a^4 b x^{10} \sqrt {a^2+2 a b x^3+b^2 x^6}}{2 \left (a+b x^3\right )}+\frac {10 a^3 b^2 x^{13} \sqrt {a^2+2 a b x^3+b^2 x^6}}{13 \left (a+b x^3\right )}+\frac {5 a^2 b^3 x^{16} \sqrt {a^2+2 a b x^3+b^2 x^6}}{8 \left (a+b x^3\right )}+\frac {5 a b^4 x^{19} \sqrt {a^2+2 a b x^3+b^2 x^6}}{19 \left (a+b x^3\right )}+\frac {b^5 x^{22} \sqrt {a^2+2 a b x^3+b^2 x^6}}{22 \left (a+b x^3\right )} \]
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Time = 0.04 (sec) , antiderivative size = 255, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {1369, 276} \[ \int x^6 \left (a^2+2 a b x^3+b^2 x^6\right )^{5/2} \, dx=\frac {b^5 x^{22} \sqrt {a^2+2 a b x^3+b^2 x^6}}{22 \left (a+b x^3\right )}+\frac {5 a b^4 x^{19} \sqrt {a^2+2 a b x^3+b^2 x^6}}{19 \left (a+b x^3\right )}+\frac {5 a^2 b^3 x^{16} \sqrt {a^2+2 a b x^3+b^2 x^6}}{8 \left (a+b x^3\right )}+\frac {a^5 x^7 \sqrt {a^2+2 a b x^3+b^2 x^6}}{7 \left (a+b x^3\right )}+\frac {a^4 b x^{10} \sqrt {a^2+2 a b x^3+b^2 x^6}}{2 \left (a+b x^3\right )}+\frac {10 a^3 b^2 x^{13} \sqrt {a^2+2 a b x^3+b^2 x^6}}{13 \left (a+b x^3\right )} \]
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Rule 276
Rule 1369
Rubi steps \begin{align*} \text {integral}& = \frac {\sqrt {a^2+2 a b x^3+b^2 x^6} \int x^6 \left (a b+b^2 x^3\right )^5 \, dx}{b^4 \left (a b+b^2 x^3\right )} \\ & = \frac {\sqrt {a^2+2 a b x^3+b^2 x^6} \int \left (a^5 b^5 x^6+5 a^4 b^6 x^9+10 a^3 b^7 x^{12}+10 a^2 b^8 x^{15}+5 a b^9 x^{18}+b^{10} x^{21}\right ) \, dx}{b^4 \left (a b+b^2 x^3\right )} \\ & = \frac {a^5 x^7 \sqrt {a^2+2 a b x^3+b^2 x^6}}{7 \left (a+b x^3\right )}+\frac {a^4 b x^{10} \sqrt {a^2+2 a b x^3+b^2 x^6}}{2 \left (a+b x^3\right )}+\frac {10 a^3 b^2 x^{13} \sqrt {a^2+2 a b x^3+b^2 x^6}}{13 \left (a+b x^3\right )}+\frac {5 a^2 b^3 x^{16} \sqrt {a^2+2 a b x^3+b^2 x^6}}{8 \left (a+b x^3\right )}+\frac {5 a b^4 x^{19} \sqrt {a^2+2 a b x^3+b^2 x^6}}{19 \left (a+b x^3\right )}+\frac {b^5 x^{22} \sqrt {a^2+2 a b x^3+b^2 x^6}}{22 \left (a+b x^3\right )} \\ \end{align*}
Time = 1.02 (sec) , antiderivative size = 83, normalized size of antiderivative = 0.33 \[ \int x^6 \left (a^2+2 a b x^3+b^2 x^6\right )^{5/2} \, dx=\frac {x^7 \sqrt {\left (a+b x^3\right )^2} \left (21736 a^5+76076 a^4 b x^3+117040 a^3 b^2 x^6+95095 a^2 b^3 x^9+40040 a b^4 x^{12}+6916 b^5 x^{15}\right )}{152152 \left (a+b x^3\right )} \]
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Time = 5.23 (sec) , antiderivative size = 80, normalized size of antiderivative = 0.31
method | result | size |
gosper | \(\frac {x^{7} \left (6916 b^{5} x^{15}+40040 a \,b^{4} x^{12}+95095 a^{2} b^{3} x^{9}+117040 a^{3} b^{2} x^{6}+76076 a^{4} b \,x^{3}+21736 a^{5}\right ) {\left (\left (b \,x^{3}+a \right )^{2}\right )}^{\frac {5}{2}}}{152152 \left (b \,x^{3}+a \right )^{5}}\) | \(80\) |
default | \(\frac {x^{7} \left (6916 b^{5} x^{15}+40040 a \,b^{4} x^{12}+95095 a^{2} b^{3} x^{9}+117040 a^{3} b^{2} x^{6}+76076 a^{4} b \,x^{3}+21736 a^{5}\right ) {\left (\left (b \,x^{3}+a \right )^{2}\right )}^{\frac {5}{2}}}{152152 \left (b \,x^{3}+a \right )^{5}}\) | \(80\) |
risch | \(\frac {a^{5} x^{7} \sqrt {\left (b \,x^{3}+a \right )^{2}}}{7 b \,x^{3}+7 a}+\frac {a^{4} b \,x^{10} \sqrt {\left (b \,x^{3}+a \right )^{2}}}{2 b \,x^{3}+2 a}+\frac {10 a^{3} b^{2} x^{13} \sqrt {\left (b \,x^{3}+a \right )^{2}}}{13 \left (b \,x^{3}+a \right )}+\frac {5 a^{2} b^{3} x^{16} \sqrt {\left (b \,x^{3}+a \right )^{2}}}{8 \left (b \,x^{3}+a \right )}+\frac {5 a \,b^{4} x^{19} \sqrt {\left (b \,x^{3}+a \right )^{2}}}{19 \left (b \,x^{3}+a \right )}+\frac {b^{5} x^{22} \sqrt {\left (b \,x^{3}+a \right )^{2}}}{22 b \,x^{3}+22 a}\) | \(178\) |
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Time = 0.24 (sec) , antiderivative size = 57, normalized size of antiderivative = 0.22 \[ \int x^6 \left (a^2+2 a b x^3+b^2 x^6\right )^{5/2} \, dx=\frac {1}{22} \, b^{5} x^{22} + \frac {5}{19} \, a b^{4} x^{19} + \frac {5}{8} \, a^{2} b^{3} x^{16} + \frac {10}{13} \, a^{3} b^{2} x^{13} + \frac {1}{2} \, a^{4} b x^{10} + \frac {1}{7} \, a^{5} x^{7} \]
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\[ \int x^6 \left (a^2+2 a b x^3+b^2 x^6\right )^{5/2} \, dx=\int x^{6} \left (\left (a + b x^{3}\right )^{2}\right )^{\frac {5}{2}}\, dx \]
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Time = 0.20 (sec) , antiderivative size = 57, normalized size of antiderivative = 0.22 \[ \int x^6 \left (a^2+2 a b x^3+b^2 x^6\right )^{5/2} \, dx=\frac {1}{22} \, b^{5} x^{22} + \frac {5}{19} \, a b^{4} x^{19} + \frac {5}{8} \, a^{2} b^{3} x^{16} + \frac {10}{13} \, a^{3} b^{2} x^{13} + \frac {1}{2} \, a^{4} b x^{10} + \frac {1}{7} \, a^{5} x^{7} \]
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Time = 0.28 (sec) , antiderivative size = 105, normalized size of antiderivative = 0.41 \[ \int x^6 \left (a^2+2 a b x^3+b^2 x^6\right )^{5/2} \, dx=\frac {1}{22} \, b^{5} x^{22} \mathrm {sgn}\left (b x^{3} + a\right ) + \frac {5}{19} \, a b^{4} x^{19} \mathrm {sgn}\left (b x^{3} + a\right ) + \frac {5}{8} \, a^{2} b^{3} x^{16} \mathrm {sgn}\left (b x^{3} + a\right ) + \frac {10}{13} \, a^{3} b^{2} x^{13} \mathrm {sgn}\left (b x^{3} + a\right ) + \frac {1}{2} \, a^{4} b x^{10} \mathrm {sgn}\left (b x^{3} + a\right ) + \frac {1}{7} \, a^{5} x^{7} \mathrm {sgn}\left (b x^{3} + a\right ) \]
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Timed out. \[ \int x^6 \left (a^2+2 a b x^3+b^2 x^6\right )^{5/2} \, dx=\int x^6\,{\left (a^2+2\,a\,b\,x^3+b^2\,x^6\right )}^{5/2} \,d x \]
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