Integrand size = 31, antiderivative size = 152 \[ \int x^5 \sqrt {-c+d x} \sqrt {c+d x} \left (a+b x^2\right ) \, dx=\frac {c^4 \left (b c^2+a d^2\right ) (-c+d x)^{3/2} (c+d x)^{3/2}}{3 d^8}+\frac {c^2 \left (3 b c^2+2 a d^2\right ) (-c+d x)^{5/2} (c+d x)^{5/2}}{5 d^8}+\frac {\left (3 b c^2+a d^2\right ) (-c+d x)^{7/2} (c+d x)^{7/2}}{7 d^8}+\frac {b (-c+d x)^{9/2} (c+d x)^{9/2}}{9 d^8} \]
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Time = 0.09 (sec) , antiderivative size = 164, normalized size of antiderivative = 1.08, number of steps used = 6, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.129, Rules used = {471, 102, 12, 75} \[ \int x^5 \sqrt {-c+d x} \sqrt {c+d x} \left (a+b x^2\right ) \, dx=\frac {4 c^2 x^2 (d x-c)^{3/2} (c+d x)^{3/2} \left (3 a d^2+2 b c^2\right )}{105 d^6}+\frac {x^4 (d x-c)^{3/2} (c+d x)^{3/2} \left (3 a d^2+2 b c^2\right )}{21 d^4}+\frac {8 c^4 (d x-c)^{3/2} (c+d x)^{3/2} \left (3 a d^2+2 b c^2\right )}{315 d^8}+\frac {b x^6 (d x-c)^{3/2} (c+d x)^{3/2}}{9 d^2} \]
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Rule 12
Rule 75
Rule 102
Rule 471
Rubi steps \begin{align*} \text {integral}& = \frac {b x^6 (-c+d x)^{3/2} (c+d x)^{3/2}}{9 d^2}+\frac {1}{3} \left (3 a+\frac {2 b c^2}{d^2}\right ) \int x^5 \sqrt {-c+d x} \sqrt {c+d x} \, dx \\ & = \frac {\left (2 b c^2+3 a d^2\right ) x^4 (-c+d x)^{3/2} (c+d x)^{3/2}}{21 d^4}+\frac {b x^6 (-c+d x)^{3/2} (c+d x)^{3/2}}{9 d^2}+\frac {\left (2 b c^2+3 a d^2\right ) \int 4 c^2 x^3 \sqrt {-c+d x} \sqrt {c+d x} \, dx}{21 d^4} \\ & = \frac {\left (2 b c^2+3 a d^2\right ) x^4 (-c+d x)^{3/2} (c+d x)^{3/2}}{21 d^4}+\frac {b x^6 (-c+d x)^{3/2} (c+d x)^{3/2}}{9 d^2}+\frac {\left (4 c^2 \left (2 b c^2+3 a d^2\right )\right ) \int x^3 \sqrt {-c+d x} \sqrt {c+d x} \, dx}{21 d^4} \\ & = \frac {4 c^2 \left (2 b c^2+3 a d^2\right ) x^2 (-c+d x)^{3/2} (c+d x)^{3/2}}{105 d^6}+\frac {\left (2 b c^2+3 a d^2\right ) x^4 (-c+d x)^{3/2} (c+d x)^{3/2}}{21 d^4}+\frac {b x^6 (-c+d x)^{3/2} (c+d x)^{3/2}}{9 d^2}+\frac {\left (4 c^2 \left (2 b c^2+3 a d^2\right )\right ) \int 2 c^2 x \sqrt {-c+d x} \sqrt {c+d x} \, dx}{105 d^6} \\ & = \frac {4 c^2 \left (2 b c^2+3 a d^2\right ) x^2 (-c+d x)^{3/2} (c+d x)^{3/2}}{105 d^6}+\frac {\left (2 b c^2+3 a d^2\right ) x^4 (-c+d x)^{3/2} (c+d x)^{3/2}}{21 d^4}+\frac {b x^6 (-c+d x)^{3/2} (c+d x)^{3/2}}{9 d^2}+\frac {\left (8 c^4 \left (2 b c^2+3 a d^2\right )\right ) \int x \sqrt {-c+d x} \sqrt {c+d x} \, dx}{105 d^6} \\ & = \frac {8 c^4 \left (2 b c^2+3 a d^2\right ) (-c+d x)^{3/2} (c+d x)^{3/2}}{315 d^8}+\frac {4 c^2 \left (2 b c^2+3 a d^2\right ) x^2 (-c+d x)^{3/2} (c+d x)^{3/2}}{105 d^6}+\frac {\left (2 b c^2+3 a d^2\right ) x^4 (-c+d x)^{3/2} (c+d x)^{3/2}}{21 d^4}+\frac {b x^6 (-c+d x)^{3/2} (c+d x)^{3/2}}{9 d^2} \\ \end{align*}
Time = 0.30 (sec) , antiderivative size = 97, normalized size of antiderivative = 0.64 \[ \int x^5 \sqrt {-c+d x} \sqrt {c+d x} \left (a+b x^2\right ) \, dx=\frac {(-c+d x)^{3/2} (c+d x)^{3/2} \left (3 a d^2 \left (8 c^4+12 c^2 d^2 x^2+15 d^4 x^4\right )+b \left (16 c^6+24 c^4 d^2 x^2+30 c^2 d^4 x^4+35 d^6 x^6\right )\right )}{315 d^8} \]
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Time = 4.04 (sec) , antiderivative size = 92, normalized size of antiderivative = 0.61
method | result | size |
gosper | \(\frac {\left (d x -c \right )^{\frac {3}{2}} \left (d x +c \right )^{\frac {3}{2}} \left (35 b \,x^{6} d^{6}+45 a \,d^{6} x^{4}+30 b \,c^{2} d^{4} x^{4}+36 a \,c^{2} d^{4} x^{2}+24 b \,c^{4} d^{2} x^{2}+24 a \,c^{4} d^{2}+16 b \,c^{6}\right )}{315 d^{8}}\) | \(92\) |
default | \(-\frac {\sqrt {d x -c}\, \sqrt {d x +c}\, \left (-d^{2} x^{2}+c^{2}\right ) \left (35 b \,x^{6} d^{6}+45 a \,d^{6} x^{4}+30 b \,c^{2} d^{4} x^{4}+36 a \,c^{2} d^{4} x^{2}+24 b \,c^{4} d^{2} x^{2}+24 a \,c^{4} d^{2}+16 b \,c^{6}\right )}{315 d^{8}}\) | \(104\) |
risch | \(\frac {\sqrt {d x +c}\, \left (-35 b \,x^{8} d^{8}-45 a \,d^{8} x^{6}+5 b \,c^{2} d^{6} x^{6}+9 a \,c^{2} d^{6} x^{4}+6 b \,c^{4} d^{4} x^{4}+12 a \,c^{4} d^{4} x^{2}+8 b \,c^{6} d^{2} x^{2}+24 a \,c^{6} d^{2}+16 b \,c^{8}\right ) \left (-d x +c \right )}{315 \sqrt {d x -c}\, d^{8}}\) | \(122\) |
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Time = 0.30 (sec) , antiderivative size = 114, normalized size of antiderivative = 0.75 \[ \int x^5 \sqrt {-c+d x} \sqrt {c+d x} \left (a+b x^2\right ) \, dx=\frac {{\left (35 \, b d^{8} x^{8} - 16 \, b c^{8} - 24 \, a c^{6} d^{2} - 5 \, {\left (b c^{2} d^{6} - 9 \, a d^{8}\right )} x^{6} - 3 \, {\left (2 \, b c^{4} d^{4} + 3 \, a c^{2} d^{6}\right )} x^{4} - 4 \, {\left (2 \, b c^{6} d^{2} + 3 \, a c^{4} d^{4}\right )} x^{2}\right )} \sqrt {d x + c} \sqrt {d x - c}}{315 \, d^{8}} \]
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\[ \int x^5 \sqrt {-c+d x} \sqrt {c+d x} \left (a+b x^2\right ) \, dx=\int x^{5} \left (a + b x^{2}\right ) \sqrt {- c + d x} \sqrt {c + d x}\, dx \]
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Time = 0.32 (sec) , antiderivative size = 178, normalized size of antiderivative = 1.17 \[ \int x^5 \sqrt {-c+d x} \sqrt {c+d x} \left (a+b x^2\right ) \, dx=\frac {{\left (d^{2} x^{2} - c^{2}\right )}^{\frac {3}{2}} b x^{6}}{9 \, d^{2}} + \frac {2 \, {\left (d^{2} x^{2} - c^{2}\right )}^{\frac {3}{2}} b c^{2} x^{4}}{21 \, d^{4}} + \frac {{\left (d^{2} x^{2} - c^{2}\right )}^{\frac {3}{2}} a x^{4}}{7 \, d^{2}} + \frac {8 \, {\left (d^{2} x^{2} - c^{2}\right )}^{\frac {3}{2}} b c^{4} x^{2}}{105 \, d^{6}} + \frac {4 \, {\left (d^{2} x^{2} - c^{2}\right )}^{\frac {3}{2}} a c^{2} x^{2}}{35 \, d^{4}} + \frac {16 \, {\left (d^{2} x^{2} - c^{2}\right )}^{\frac {3}{2}} b c^{6}}{315 \, d^{8}} + \frac {8 \, {\left (d^{2} x^{2} - c^{2}\right )}^{\frac {3}{2}} a c^{4}}{105 \, d^{6}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 621 vs. \(2 (128) = 256\).
Time = 0.45 (sec) , antiderivative size = 621, normalized size of antiderivative = 4.09 \[ \int x^5 \sqrt {-c+d x} \sqrt {c+d x} \left (a+b x^2\right ) \, dx=\frac {168 \, {\left ({\left ({\left (2 \, {\left ({\left (d x + c\right )} {\left (4 \, {\left (d x + c\right )} {\left (\frac {5 \, {\left (d x + c\right )}}{d^{5}} - \frac {31 \, c}{d^{5}}\right )} + \frac {321 \, c^{2}}{d^{5}}\right )} - \frac {451 \, c^{3}}{d^{5}}\right )} {\left (d x + c\right )} + \frac {745 \, c^{4}}{d^{5}}\right )} {\left (d x + c\right )} - \frac {405 \, c^{5}}{d^{5}}\right )} \sqrt {d x + c} \sqrt {d x - c} - \frac {150 \, c^{6} \log \left ({\left | -\sqrt {d x + c} + \sqrt {d x - c} \right |}\right )}{d^{5}}\right )} a c + 3 \, {\left ({\left ({\left (2 \, {\left ({\left (4 \, {\left (5 \, {\left (d x + c\right )} {\left (6 \, {\left (d x + c\right )} {\left (\frac {7 \, {\left (d x + c\right )}}{d^{7}} - \frac {57 \, c}{d^{7}}\right )} + \frac {1219 \, c^{2}}{d^{7}}\right )} - \frac {12463 \, c^{3}}{d^{7}}\right )} {\left (d x + c\right )} + \frac {64233 \, c^{4}}{d^{7}}\right )} {\left (d x + c\right )} - \frac {53963 \, c^{5}}{d^{7}}\right )} {\left (d x + c\right )} + \frac {59465 \, c^{6}}{d^{7}}\right )} {\left (d x + c\right )} - \frac {23205 \, c^{7}}{d^{7}}\right )} \sqrt {d x + c} \sqrt {d x - c} - \frac {7350 \, c^{8} \log \left ({\left | -\sqrt {d x + c} + \sqrt {d x - c} \right |}\right )}{d^{7}}\right )} b c + 24 \, {\left ({\left ({\left (2 \, {\left ({\left (4 \, {\left (d x + c\right )} {\left (5 \, {\left (d x + c\right )} {\left (\frac {6 \, {\left (d x + c\right )}}{d^{6}} - \frac {43 \, c}{d^{6}}\right )} + \frac {661 \, c^{2}}{d^{6}}\right )} - \frac {4551 \, c^{3}}{d^{6}}\right )} {\left (d x + c\right )} + \frac {4781 \, c^{4}}{d^{6}}\right )} {\left (d x + c\right )} - \frac {6335 \, c^{5}}{d^{6}}\right )} {\left (d x + c\right )} + \frac {2835 \, c^{6}}{d^{6}}\right )} \sqrt {d x + c} \sqrt {d x - c} + \frac {1050 \, c^{7} \log \left ({\left | -\sqrt {d x + c} + \sqrt {d x - c} \right |}\right )}{d^{6}}\right )} a d + {\left ({\left ({\left (2 \, {\left ({\left (4 \, {\left (5 \, {\left (2 \, {\left (d x + c\right )} {\left (7 \, {\left (d x + c\right )} {\left (\frac {8 \, {\left (d x + c\right )}}{d^{8}} - \frac {73 \, c}{d^{8}}\right )} + \frac {2073 \, c^{2}}{d^{8}}\right )} - \frac {9833 \, c^{3}}{d^{8}}\right )} {\left (d x + c\right )} + \frac {75293 \, c^{4}}{d^{8}}\right )} {\left (d x + c\right )} - \frac {310203 \, c^{5}}{d^{8}}\right )} {\left (d x + c\right )} + \frac {216993 \, c^{6}}{d^{8}}\right )} {\left (d x + c\right )} - \frac {205275 \, c^{7}}{d^{8}}\right )} {\left (d x + c\right )} + \frac {69615 \, c^{8}}{d^{8}}\right )} \sqrt {d x + c} \sqrt {d x - c} + \frac {22050 \, c^{9} \log \left ({\left | -\sqrt {d x + c} + \sqrt {d x - c} \right |}\right )}{d^{8}}\right )} b d}{40320 \, d} \]
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Time = 5.92 (sec) , antiderivative size = 152, normalized size of antiderivative = 1.00 \[ \int x^5 \sqrt {-c+d x} \sqrt {c+d x} \left (a+b x^2\right ) \, dx=-\sqrt {d\,x-c}\,\left (\frac {\left (16\,b\,c^8+24\,a\,c^6\,d^2\right )\,\sqrt {c+d\,x}}{315\,d^8}-\frac {b\,x^8\,\sqrt {c+d\,x}}{9}+\frac {x^4\,\left (6\,b\,c^4\,d^4+9\,a\,c^2\,d^6\right )\,\sqrt {c+d\,x}}{315\,d^8}+\frac {x^2\,\left (8\,b\,c^6\,d^2+12\,a\,c^4\,d^4\right )\,\sqrt {c+d\,x}}{315\,d^8}-\frac {x^6\,\left (45\,a\,d^8-5\,b\,c^2\,d^6\right )\,\sqrt {c+d\,x}}{315\,d^8}\right ) \]
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