Integrand size = 22, antiderivative size = 218 \[ \int \frac {x^3 \sqrt {a+b x}}{(c+d x)^{5/2}} \, dx=-\frac {2 x^3 \sqrt {a+b x}}{3 d (c+d x)^{3/2}}-\frac {2 (7 b c-6 a d) x^2 \sqrt {a+b x}}{3 d^2 (b c-a d) \sqrt {c+d x}}-\frac {\sqrt {a+b x} \sqrt {c+d x} \left (105 b^2 c^2-100 a b c d+3 a^2 d^2-2 b d (35 b c-31 a d) x\right )}{12 b d^4 (b c-a d)}+\frac {\left (35 b^2 c^2-10 a b c d-a^2 d^2\right ) \text {arctanh}\left (\frac {\sqrt {d} \sqrt {a+b x}}{\sqrt {b} \sqrt {c+d x}}\right )}{4 b^{3/2} d^{9/2}} \]
[Out]
Time = 0.13 (sec) , antiderivative size = 218, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.273, Rules used = {99, 155, 152, 65, 223, 212} \[ \int \frac {x^3 \sqrt {a+b x}}{(c+d x)^{5/2}} \, dx=\frac {\left (-a^2 d^2-10 a b c d+35 b^2 c^2\right ) \text {arctanh}\left (\frac {\sqrt {d} \sqrt {a+b x}}{\sqrt {b} \sqrt {c+d x}}\right )}{4 b^{3/2} d^{9/2}}-\frac {\sqrt {a+b x} \sqrt {c+d x} \left (3 a^2 d^2-2 b d x (35 b c-31 a d)-100 a b c d+105 b^2 c^2\right )}{12 b d^4 (b c-a d)}-\frac {2 x^2 \sqrt {a+b x} (7 b c-6 a d)}{3 d^2 \sqrt {c+d x} (b c-a d)}-\frac {2 x^3 \sqrt {a+b x}}{3 d (c+d x)^{3/2}} \]
[In]
[Out]
Rule 65
Rule 99
Rule 152
Rule 155
Rule 212
Rule 223
Rubi steps \begin{align*} \text {integral}& = -\frac {2 x^3 \sqrt {a+b x}}{3 d (c+d x)^{3/2}}+\frac {2 \int \frac {x^2 \left (3 a+\frac {7 b x}{2}\right )}{\sqrt {a+b x} (c+d x)^{3/2}} \, dx}{3 d} \\ & = -\frac {2 x^3 \sqrt {a+b x}}{3 d (c+d x)^{3/2}}-\frac {2 (7 b c-6 a d) x^2 \sqrt {a+b x}}{3 d^2 (b c-a d) \sqrt {c+d x}}-\frac {4 \int \frac {x \left (-a (7 b c-6 a d)-\frac {1}{4} b (35 b c-31 a d) x\right )}{\sqrt {a+b x} \sqrt {c+d x}} \, dx}{3 d^2 (b c-a d)} \\ & = -\frac {2 x^3 \sqrt {a+b x}}{3 d (c+d x)^{3/2}}-\frac {2 (7 b c-6 a d) x^2 \sqrt {a+b x}}{3 d^2 (b c-a d) \sqrt {c+d x}}-\frac {\sqrt {a+b x} \sqrt {c+d x} \left (105 b^2 c^2-100 a b c d+3 a^2 d^2-2 b d (35 b c-31 a d) x\right )}{12 b d^4 (b c-a d)}+\frac {\left (35 b^2 c^2-10 a b c d-a^2 d^2\right ) \int \frac {1}{\sqrt {a+b x} \sqrt {c+d x}} \, dx}{8 b d^4} \\ & = -\frac {2 x^3 \sqrt {a+b x}}{3 d (c+d x)^{3/2}}-\frac {2 (7 b c-6 a d) x^2 \sqrt {a+b x}}{3 d^2 (b c-a d) \sqrt {c+d x}}-\frac {\sqrt {a+b x} \sqrt {c+d x} \left (105 b^2 c^2-100 a b c d+3 a^2 d^2-2 b d (35 b c-31 a d) x\right )}{12 b d^4 (b c-a d)}+\frac {\left (35 b^2 c^2-10 a b c d-a^2 d^2\right ) \text {Subst}\left (\int \frac {1}{\sqrt {c-\frac {a d}{b}+\frac {d x^2}{b}}} \, dx,x,\sqrt {a+b x}\right )}{4 b^2 d^4} \\ & = -\frac {2 x^3 \sqrt {a+b x}}{3 d (c+d x)^{3/2}}-\frac {2 (7 b c-6 a d) x^2 \sqrt {a+b x}}{3 d^2 (b c-a d) \sqrt {c+d x}}-\frac {\sqrt {a+b x} \sqrt {c+d x} \left (105 b^2 c^2-100 a b c d+3 a^2 d^2-2 b d (35 b c-31 a d) x\right )}{12 b d^4 (b c-a d)}+\frac {\left (35 b^2 c^2-10 a b c d-a^2 d^2\right ) \text {Subst}\left (\int \frac {1}{1-\frac {d x^2}{b}} \, dx,x,\frac {\sqrt {a+b x}}{\sqrt {c+d x}}\right )}{4 b^2 d^4} \\ & = -\frac {2 x^3 \sqrt {a+b x}}{3 d (c+d x)^{3/2}}-\frac {2 (7 b c-6 a d) x^2 \sqrt {a+b x}}{3 d^2 (b c-a d) \sqrt {c+d x}}-\frac {\sqrt {a+b x} \sqrt {c+d x} \left (105 b^2 c^2-100 a b c d+3 a^2 d^2-2 b d (35 b c-31 a d) x\right )}{12 b d^4 (b c-a d)}+\frac {\left (35 b^2 c^2-10 a b c d-a^2 d^2\right ) \tanh ^{-1}\left (\frac {\sqrt {d} \sqrt {a+b x}}{\sqrt {b} \sqrt {c+d x}}\right )}{4 b^{3/2} d^{9/2}} \\ \end{align*}
Time = 0.42 (sec) , antiderivative size = 192, normalized size of antiderivative = 0.88 \[ \int \frac {x^3 \sqrt {a+b x}}{(c+d x)^{5/2}} \, dx=\frac {\sqrt {a+b x} \left (3 a^2 d^2 (c+d x)^2+b^2 c \left (105 c^3+140 c^2 d x+21 c d^2 x^2-6 d^3 x^3\right )-2 a b d \left (50 c^3+69 c^2 d x+12 c d^2 x^2-3 d^3 x^3\right )\right )}{12 b d^4 (-b c+a d) (c+d x)^{3/2}}+\frac {\left (35 b^2 c^2-10 a b c d-a^2 d^2\right ) \text {arctanh}\left (\frac {\sqrt {d} \sqrt {a+b x}}{\sqrt {b} \sqrt {c+d x}}\right )}{4 b^{3/2} d^{9/2}} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. \(985\) vs. \(2(186)=372\).
Time = 1.52 (sec) , antiderivative size = 986, normalized size of antiderivative = 4.52
method | result | size |
default | \(-\frac {\left (3 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a^{3} d^{5} x^{2}+27 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a^{2} b c \,d^{4} x^{2}-135 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a \,b^{2} c^{2} d^{3} x^{2}+105 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) b^{3} c^{3} d^{2} x^{2}-12 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, a b \,d^{4} x^{3}+12 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, b^{2} c \,d^{3} x^{3}+6 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a^{3} c \,d^{4} x +54 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a^{2} b \,c^{2} d^{3} x -270 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a \,b^{2} c^{3} d^{2} x +210 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) b^{3} c^{4} d x -6 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, a^{2} d^{4} x^{2}+48 \sqrt {b d}\, \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, a b c \,d^{3} x^{2}-42 \sqrt {b d}\, \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, b^{2} c^{2} d^{2} x^{2}+3 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a^{3} c^{2} d^{3}+27 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a^{2} b \,c^{3} d^{2}-135 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) a \,b^{2} c^{4} d +105 \ln \left (\frac {2 b d x +2 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}+a d +b c}{2 \sqrt {b d}}\right ) b^{3} c^{5}-12 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, a^{2} c \,d^{3} x +276 \sqrt {b d}\, \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, a b \,c^{2} d^{2} x -280 \sqrt {b d}\, \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, b^{2} c^{3} d x -6 \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, \sqrt {b d}\, a^{2} c^{2} d^{2}+200 \sqrt {b d}\, \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, a b \,c^{3} d -210 \sqrt {b d}\, \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, b^{2} c^{4}\right ) \sqrt {b x +a}}{24 \left (a d -b c \right ) \sqrt {b d}\, b \sqrt {\left (b x +a \right ) \left (d x +c \right )}\, d^{4} \left (d x +c \right )^{\frac {3}{2}}}\) | \(986\) |
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 426 vs. \(2 (186) = 372\).
Time = 0.45 (sec) , antiderivative size = 866, normalized size of antiderivative = 3.97 \[ \int \frac {x^3 \sqrt {a+b x}}{(c+d x)^{5/2}} \, dx=\left [-\frac {3 \, {\left (35 \, b^{3} c^{5} - 45 \, a b^{2} c^{4} d + 9 \, a^{2} b c^{3} d^{2} + a^{3} c^{2} d^{3} + {\left (35 \, b^{3} c^{3} d^{2} - 45 \, a b^{2} c^{2} d^{3} + 9 \, a^{2} b c d^{4} + a^{3} d^{5}\right )} x^{2} + 2 \, {\left (35 \, b^{3} c^{4} d - 45 \, a b^{2} c^{3} d^{2} + 9 \, a^{2} b c^{2} d^{3} + a^{3} c d^{4}\right )} x\right )} \sqrt {b d} \log \left (8 \, b^{2} d^{2} x^{2} + b^{2} c^{2} + 6 \, a b c d + a^{2} d^{2} - 4 \, {\left (2 \, b d x + b c + a d\right )} \sqrt {b d} \sqrt {b x + a} \sqrt {d x + c} + 8 \, {\left (b^{2} c d + a b d^{2}\right )} x\right ) + 4 \, {\left (105 \, b^{3} c^{4} d - 100 \, a b^{2} c^{3} d^{2} + 3 \, a^{2} b c^{2} d^{3} - 6 \, {\left (b^{3} c d^{4} - a b^{2} d^{5}\right )} x^{3} + 3 \, {\left (7 \, b^{3} c^{2} d^{3} - 8 \, a b^{2} c d^{4} + a^{2} b d^{5}\right )} x^{2} + 2 \, {\left (70 \, b^{3} c^{3} d^{2} - 69 \, a b^{2} c^{2} d^{3} + 3 \, a^{2} b c d^{4}\right )} x\right )} \sqrt {b x + a} \sqrt {d x + c}}{48 \, {\left (b^{3} c^{3} d^{5} - a b^{2} c^{2} d^{6} + {\left (b^{3} c d^{7} - a b^{2} d^{8}\right )} x^{2} + 2 \, {\left (b^{3} c^{2} d^{6} - a b^{2} c d^{7}\right )} x\right )}}, -\frac {3 \, {\left (35 \, b^{3} c^{5} - 45 \, a b^{2} c^{4} d + 9 \, a^{2} b c^{3} d^{2} + a^{3} c^{2} d^{3} + {\left (35 \, b^{3} c^{3} d^{2} - 45 \, a b^{2} c^{2} d^{3} + 9 \, a^{2} b c d^{4} + a^{3} d^{5}\right )} x^{2} + 2 \, {\left (35 \, b^{3} c^{4} d - 45 \, a b^{2} c^{3} d^{2} + 9 \, a^{2} b c^{2} d^{3} + a^{3} c d^{4}\right )} x\right )} \sqrt {-b d} \arctan \left (\frac {{\left (2 \, b d x + b c + a d\right )} \sqrt {-b d} \sqrt {b x + a} \sqrt {d x + c}}{2 \, {\left (b^{2} d^{2} x^{2} + a b c d + {\left (b^{2} c d + a b d^{2}\right )} x\right )}}\right ) + 2 \, {\left (105 \, b^{3} c^{4} d - 100 \, a b^{2} c^{3} d^{2} + 3 \, a^{2} b c^{2} d^{3} - 6 \, {\left (b^{3} c d^{4} - a b^{2} d^{5}\right )} x^{3} + 3 \, {\left (7 \, b^{3} c^{2} d^{3} - 8 \, a b^{2} c d^{4} + a^{2} b d^{5}\right )} x^{2} + 2 \, {\left (70 \, b^{3} c^{3} d^{2} - 69 \, a b^{2} c^{2} d^{3} + 3 \, a^{2} b c d^{4}\right )} x\right )} \sqrt {b x + a} \sqrt {d x + c}}{24 \, {\left (b^{3} c^{3} d^{5} - a b^{2} c^{2} d^{6} + {\left (b^{3} c d^{7} - a b^{2} d^{8}\right )} x^{2} + 2 \, {\left (b^{3} c^{2} d^{6} - a b^{2} c d^{7}\right )} x\right )}}\right ] \]
[In]
[Out]
\[ \int \frac {x^3 \sqrt {a+b x}}{(c+d x)^{5/2}} \, dx=\int \frac {x^{3} \sqrt {a + b x}}{\left (c + d x\right )^{\frac {5}{2}}}\, dx \]
[In]
[Out]
Exception generated. \[ \int \frac {x^3 \sqrt {a+b x}}{(c+d x)^{5/2}} \, dx=\text {Exception raised: ValueError} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 407 vs. \(2 (186) = 372\).
Time = 0.37 (sec) , antiderivative size = 407, normalized size of antiderivative = 1.87 \[ \int \frac {x^3 \sqrt {a+b x}}{(c+d x)^{5/2}} \, dx=\frac {{\left ({\left (3 \, {\left (b x + a\right )} {\left (\frac {2 \, {\left (b^{5} c d^{6} {\left | b \right |} - a b^{4} d^{7} {\left | b \right |}\right )} {\left (b x + a\right )}}{b^{6} c d^{7} - a b^{5} d^{8}} - \frac {7 \, b^{6} c^{2} d^{5} {\left | b \right |} - 2 \, a b^{5} c d^{6} {\left | b \right |} - 5 \, a^{2} b^{4} d^{7} {\left | b \right |}}{b^{6} c d^{7} - a b^{5} d^{8}}\right )} - \frac {4 \, {\left (35 \, b^{7} c^{3} d^{4} {\left | b \right |} - 45 \, a b^{6} c^{2} d^{5} {\left | b \right |} + 9 \, a^{2} b^{5} c d^{6} {\left | b \right |} + 3 \, a^{3} b^{4} d^{7} {\left | b \right |}\right )}}{b^{6} c d^{7} - a b^{5} d^{8}}\right )} {\left (b x + a\right )} - \frac {3 \, {\left (35 \, b^{8} c^{4} d^{3} {\left | b \right |} - 80 \, a b^{7} c^{3} d^{4} {\left | b \right |} + 54 \, a^{2} b^{6} c^{2} d^{5} {\left | b \right |} - 8 \, a^{3} b^{5} c d^{6} {\left | b \right |} - a^{4} b^{4} d^{7} {\left | b \right |}\right )}}{b^{6} c d^{7} - a b^{5} d^{8}}\right )} \sqrt {b x + a}}{12 \, {\left (b^{2} c + {\left (b x + a\right )} b d - a b d\right )}^{\frac {3}{2}}} - \frac {{\left (35 \, b^{2} c^{2} {\left | b \right |} - 10 \, a b c d {\left | b \right |} - a^{2} d^{2} {\left | b \right |}\right )} \log \left ({\left | -\sqrt {b d} \sqrt {b x + a} + \sqrt {b^{2} c + {\left (b x + a\right )} b d - a b d} \right |}\right )}{4 \, \sqrt {b d} b^{2} d^{4}} \]
[In]
[Out]
Timed out. \[ \int \frac {x^3 \sqrt {a+b x}}{(c+d x)^{5/2}} \, dx=\int \frac {x^3\,\sqrt {a+b\,x}}{{\left (c+d\,x\right )}^{5/2}} \,d x \]
[In]
[Out]