Integrand size = 28, antiderivative size = 89 \[ \int \frac {\left (a^2+2 a b x^2+b^2 x^4\right )^2}{(d x)^{3/2}} \, dx=-\frac {2 a^4}{d \sqrt {d x}}+\frac {8 a^3 b (d x)^{3/2}}{3 d^3}+\frac {12 a^2 b^2 (d x)^{7/2}}{7 d^5}+\frac {8 a b^3 (d x)^{11/2}}{11 d^7}+\frac {2 b^4 (d x)^{15/2}}{15 d^9} \]
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Time = 0.03 (sec) , antiderivative size = 89, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.071, Rules used = {28, 276} \[ \int \frac {\left (a^2+2 a b x^2+b^2 x^4\right )^2}{(d x)^{3/2}} \, dx=-\frac {2 a^4}{d \sqrt {d x}}+\frac {8 a^3 b (d x)^{3/2}}{3 d^3}+\frac {12 a^2 b^2 (d x)^{7/2}}{7 d^5}+\frac {8 a b^3 (d x)^{11/2}}{11 d^7}+\frac {2 b^4 (d x)^{15/2}}{15 d^9} \]
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Rule 28
Rule 276
Rubi steps \begin{align*} \text {integral}& = \frac {\int \frac {\left (a b+b^2 x^2\right )^4}{(d x)^{3/2}} \, dx}{b^4} \\ & = \frac {\int \left (\frac {a^4 b^4}{(d x)^{3/2}}+\frac {4 a^3 b^5 \sqrt {d x}}{d^2}+\frac {6 a^2 b^6 (d x)^{5/2}}{d^4}+\frac {4 a b^7 (d x)^{9/2}}{d^6}+\frac {b^8 (d x)^{13/2}}{d^8}\right ) \, dx}{b^4} \\ & = -\frac {2 a^4}{d \sqrt {d x}}+\frac {8 a^3 b (d x)^{3/2}}{3 d^3}+\frac {12 a^2 b^2 (d x)^{7/2}}{7 d^5}+\frac {8 a b^3 (d x)^{11/2}}{11 d^7}+\frac {2 b^4 (d x)^{15/2}}{15 d^9} \\ \end{align*}
Time = 0.02 (sec) , antiderivative size = 55, normalized size of antiderivative = 0.62 \[ \int \frac {\left (a^2+2 a b x^2+b^2 x^4\right )^2}{(d x)^{3/2}} \, dx=-\frac {2 x \left (1155 a^4-1540 a^3 b x^2-990 a^2 b^2 x^4-420 a b^3 x^6-77 b^4 x^8\right )}{1155 (d x)^{3/2}} \]
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Time = 0.12 (sec) , antiderivative size = 52, normalized size of antiderivative = 0.58
method | result | size |
gosper | \(-\frac {2 \left (-77 b^{4} x^{8}-420 a \,b^{3} x^{6}-990 a^{2} b^{2} x^{4}-1540 a^{3} b \,x^{2}+1155 a^{4}\right ) x}{1155 \left (d x \right )^{\frac {3}{2}}}\) | \(52\) |
pseudoelliptic | \(-\frac {2 \left (-\frac {1}{15} b^{4} x^{8}-\frac {4}{11} a \,b^{3} x^{6}-\frac {6}{7} a^{2} b^{2} x^{4}-\frac {4}{3} a^{3} b \,x^{2}+a^{4}\right )}{\sqrt {d x}\, d}\) | \(52\) |
risch | \(-\frac {2 \left (-77 b^{4} x^{8}-420 a \,b^{3} x^{6}-990 a^{2} b^{2} x^{4}-1540 a^{3} b \,x^{2}+1155 a^{4}\right )}{1155 d \sqrt {d x}}\) | \(54\) |
trager | \(-\frac {2 \left (-77 b^{4} x^{8}-420 a \,b^{3} x^{6}-990 a^{2} b^{2} x^{4}-1540 a^{3} b \,x^{2}+1155 a^{4}\right ) \sqrt {d x}}{1155 d^{2} x}\) | \(57\) |
derivativedivides | \(\frac {\frac {2 b^{4} \left (d x \right )^{\frac {15}{2}}}{15}+\frac {8 a \,b^{3} d^{2} \left (d x \right )^{\frac {11}{2}}}{11}+\frac {12 a^{2} b^{2} d^{4} \left (d x \right )^{\frac {7}{2}}}{7}+\frac {8 a^{3} b \,d^{6} \left (d x \right )^{\frac {3}{2}}}{3}-\frac {2 a^{4} d^{8}}{\sqrt {d x}}}{d^{9}}\) | \(74\) |
default | \(\frac {\frac {2 b^{4} \left (d x \right )^{\frac {15}{2}}}{15}+\frac {8 a \,b^{3} d^{2} \left (d x \right )^{\frac {11}{2}}}{11}+\frac {12 a^{2} b^{2} d^{4} \left (d x \right )^{\frac {7}{2}}}{7}+\frac {8 a^{3} b \,d^{6} \left (d x \right )^{\frac {3}{2}}}{3}-\frac {2 a^{4} d^{8}}{\sqrt {d x}}}{d^{9}}\) | \(74\) |
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Time = 0.25 (sec) , antiderivative size = 56, normalized size of antiderivative = 0.63 \[ \int \frac {\left (a^2+2 a b x^2+b^2 x^4\right )^2}{(d x)^{3/2}} \, dx=\frac {2 \, {\left (77 \, b^{4} x^{8} + 420 \, a b^{3} x^{6} + 990 \, a^{2} b^{2} x^{4} + 1540 \, a^{3} b x^{2} - 1155 \, a^{4}\right )} \sqrt {d x}}{1155 \, d^{2} x} \]
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Time = 0.29 (sec) , antiderivative size = 87, normalized size of antiderivative = 0.98 \[ \int \frac {\left (a^2+2 a b x^2+b^2 x^4\right )^2}{(d x)^{3/2}} \, dx=- \frac {2 a^{4} x}{\left (d x\right )^{\frac {3}{2}}} + \frac {8 a^{3} b x^{3}}{3 \left (d x\right )^{\frac {3}{2}}} + \frac {12 a^{2} b^{2} x^{5}}{7 \left (d x\right )^{\frac {3}{2}}} + \frac {8 a b^{3} x^{7}}{11 \left (d x\right )^{\frac {3}{2}}} + \frac {2 b^{4} x^{9}}{15 \left (d x\right )^{\frac {3}{2}}} \]
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Time = 0.20 (sec) , antiderivative size = 76, normalized size of antiderivative = 0.85 \[ \int \frac {\left (a^2+2 a b x^2+b^2 x^4\right )^2}{(d x)^{3/2}} \, dx=-\frac {2 \, {\left (\frac {1155 \, a^{4}}{\sqrt {d x}} - \frac {77 \, \left (d x\right )^{\frac {15}{2}} b^{4} + 420 \, \left (d x\right )^{\frac {11}{2}} a b^{3} d^{2} + 990 \, \left (d x\right )^{\frac {7}{2}} a^{2} b^{2} d^{4} + 1540 \, \left (d x\right )^{\frac {3}{2}} a^{3} b d^{6}}{d^{8}}\right )}}{1155 \, d} \]
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Time = 0.26 (sec) , antiderivative size = 89, normalized size of antiderivative = 1.00 \[ \int \frac {\left (a^2+2 a b x^2+b^2 x^4\right )^2}{(d x)^{3/2}} \, dx=-\frac {2 \, {\left (\frac {1155 \, a^{4}}{\sqrt {d x}} - \frac {77 \, \sqrt {d x} b^{4} d^{119} x^{7} + 420 \, \sqrt {d x} a b^{3} d^{119} x^{5} + 990 \, \sqrt {d x} a^{2} b^{2} d^{119} x^{3} + 1540 \, \sqrt {d x} a^{3} b d^{119} x}{d^{120}}\right )}}{1155 \, d} \]
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Time = 0.03 (sec) , antiderivative size = 71, normalized size of antiderivative = 0.80 \[ \int \frac {\left (a^2+2 a b x^2+b^2 x^4\right )^2}{(d x)^{3/2}} \, dx=\frac {2\,b^4\,{\left (d\,x\right )}^{15/2}}{15\,d^9}-\frac {2\,a^4}{d\,\sqrt {d\,x}}+\frac {12\,a^2\,b^2\,{\left (d\,x\right )}^{7/2}}{7\,d^5}+\frac {8\,a^3\,b\,{\left (d\,x\right )}^{3/2}}{3\,d^3}+\frac {8\,a\,b^3\,{\left (d\,x\right )}^{11/2}}{11\,d^7} \]
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