Integrand size = 26, antiderivative size = 97 \[ \int \frac {1+a x}{x^4 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {2 a^3 \sqrt {1-a x}}{7 (a x)^{7/2}}-\frac {26 a^3 \sqrt {1-a x}}{35 (a x)^{5/2}}-\frac {104 a^3 \sqrt {1-a x}}{105 (a x)^{3/2}}-\frac {208 a^3 \sqrt {1-a x}}{105 \sqrt {a x}} \]
[Out]
Time = 0.02 (sec) , antiderivative size = 97, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.154, Rules used = {16, 79, 47, 37} \[ \int \frac {1+a x}{x^4 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {208 a^3 \sqrt {1-a x}}{105 \sqrt {a x}}-\frac {104 a^3 \sqrt {1-a x}}{105 (a x)^{3/2}}-\frac {26 a^3 \sqrt {1-a x}}{35 (a x)^{5/2}}-\frac {2 a^3 \sqrt {1-a x}}{7 (a x)^{7/2}} \]
[In]
[Out]
Rule 16
Rule 37
Rule 47
Rule 79
Rubi steps \begin{align*} \text {integral}& = a^4 \int \frac {1+a x}{(a x)^{9/2} \sqrt {1-a x}} \, dx \\ & = -\frac {2 a^3 \sqrt {1-a x}}{7 (a x)^{7/2}}+\frac {1}{7} \left (13 a^4\right ) \int \frac {1}{(a x)^{7/2} \sqrt {1-a x}} \, dx \\ & = -\frac {2 a^3 \sqrt {1-a x}}{7 (a x)^{7/2}}-\frac {26 a^3 \sqrt {1-a x}}{35 (a x)^{5/2}}+\frac {1}{35} \left (52 a^4\right ) \int \frac {1}{(a x)^{5/2} \sqrt {1-a x}} \, dx \\ & = -\frac {2 a^3 \sqrt {1-a x}}{7 (a x)^{7/2}}-\frac {26 a^3 \sqrt {1-a x}}{35 (a x)^{5/2}}-\frac {104 a^3 \sqrt {1-a x}}{105 (a x)^{3/2}}+\frac {1}{105} \left (104 a^4\right ) \int \frac {1}{(a x)^{3/2} \sqrt {1-a x}} \, dx \\ & = -\frac {2 a^3 \sqrt {1-a x}}{7 (a x)^{7/2}}-\frac {26 a^3 \sqrt {1-a x}}{35 (a x)^{5/2}}-\frac {104 a^3 \sqrt {1-a x}}{105 (a x)^{3/2}}-\frac {208 a^3 \sqrt {1-a x}}{105 \sqrt {a x}} \\ \end{align*}
Time = 0.08 (sec) , antiderivative size = 45, normalized size of antiderivative = 0.46 \[ \int \frac {1+a x}{x^4 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {2 \sqrt {-a x (-1+a x)} \left (15+39 a x+52 a^2 x^2+104 a^3 x^3\right )}{105 a x^4} \]
[In]
[Out]
Time = 1.55 (sec) , antiderivative size = 41, normalized size of antiderivative = 0.42
method | result | size |
gosper | \(-\frac {2 \sqrt {-a x +1}\, \left (104 a^{3} x^{3}+52 a^{2} x^{2}+39 a x +15\right )}{105 x^{3} \sqrt {a x}}\) | \(41\) |
default | \(-\frac {2 \sqrt {-a x +1}\, \operatorname {csgn}\left (a \right )^{2} \left (104 a^{3} x^{3}+52 a^{2} x^{2}+39 a x +15\right )}{105 x^{3} \sqrt {a x}}\) | \(45\) |
risch | \(\frac {2 \sqrt {a x \left (-a x +1\right )}\, \left (104 a^{4} x^{4}-52 a^{3} x^{3}-13 a^{2} x^{2}-24 a x -15\right )}{105 \sqrt {a x}\, \sqrt {-a x +1}\, x^{3} \sqrt {-x \left (a x -1\right ) a}}\) | \(71\) |
meijerg | \(-\frac {2 a \left (\frac {8}{3} a^{2} x^{2}+\frac {4}{3} a x +1\right ) \sqrt {-a x +1}}{5 \sqrt {a x}\, x^{2}}-\frac {2 \left (\frac {16}{5} a^{3} x^{3}+\frac {8}{5} a^{2} x^{2}+\frac {6}{5} a x +1\right ) \sqrt {-a x +1}}{7 \sqrt {a x}\, x^{3}}\) | \(75\) |
[In]
[Out]
none
Time = 0.25 (sec) , antiderivative size = 43, normalized size of antiderivative = 0.44 \[ \int \frac {1+a x}{x^4 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {2 \, {\left (104 \, a^{3} x^{3} + 52 \, a^{2} x^{2} + 39 \, a x + 15\right )} \sqrt {a x} \sqrt {-a x + 1}}{105 \, a x^{4}} \]
[In]
[Out]
Result contains complex when optimal does not.
Time = 5.00 (sec) , antiderivative size = 274, normalized size of antiderivative = 2.82 \[ \int \frac {1+a x}{x^4 \sqrt {a x} \sqrt {1-a x}} \, dx=a \left (\begin {cases} - \frac {16 a^{2} \sqrt {-1 + \frac {1}{a x}}}{15} - \frac {8 a \sqrt {-1 + \frac {1}{a x}}}{15 x} - \frac {2 \sqrt {-1 + \frac {1}{a x}}}{5 x^{2}} & \text {for}\: \frac {1}{\left |{a x}\right |} > 1 \\- \frac {16 i a^{2} \sqrt {1 - \frac {1}{a x}}}{15} - \frac {8 i a \sqrt {1 - \frac {1}{a x}}}{15 x} - \frac {2 i \sqrt {1 - \frac {1}{a x}}}{5 x^{2}} & \text {otherwise} \end {cases}\right ) + \begin {cases} - \frac {32 a^{3} \sqrt {-1 + \frac {1}{a x}}}{35} - \frac {16 a^{2} \sqrt {-1 + \frac {1}{a x}}}{35 x} - \frac {12 a \sqrt {-1 + \frac {1}{a x}}}{35 x^{2}} - \frac {2 \sqrt {-1 + \frac {1}{a x}}}{7 x^{3}} & \text {for}\: \frac {1}{\left |{a x}\right |} > 1 \\- \frac {32 i a^{3} \sqrt {1 - \frac {1}{a x}}}{35} - \frac {16 i a^{2} \sqrt {1 - \frac {1}{a x}}}{35 x} - \frac {12 i a \sqrt {1 - \frac {1}{a x}}}{35 x^{2}} - \frac {2 i \sqrt {1 - \frac {1}{a x}}}{7 x^{3}} & \text {otherwise} \end {cases} \]
[In]
[Out]
none
Time = 0.28 (sec) , antiderivative size = 84, normalized size of antiderivative = 0.87 \[ \int \frac {1+a x}{x^4 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {208 \, \sqrt {-a^{2} x^{2} + a x} a^{2}}{105 \, x} - \frac {104 \, \sqrt {-a^{2} x^{2} + a x} a}{105 \, x^{2}} - \frac {26 \, \sqrt {-a^{2} x^{2} + a x}}{35 \, x^{3}} - \frac {2 \, \sqrt {-a^{2} x^{2} + a x}}{7 \, a x^{4}} \]
[In]
[Out]
Leaf count of result is larger than twice the leaf count of optimal. 175 vs. \(2 (73) = 146\).
Time = 0.29 (sec) , antiderivative size = 175, normalized size of antiderivative = 1.80 \[ \int \frac {1+a x}{x^4 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {\frac {15 \, a^{4} {\left (\sqrt {-a x + 1} - 1\right )}^{7}}{\left (a x\right )^{\frac {7}{2}}} + \frac {231 \, a^{4} {\left (\sqrt {-a x + 1} - 1\right )}^{5}}{\left (a x\right )^{\frac {5}{2}}} + \frac {1435 \, a^{4} {\left (\sqrt {-a x + 1} - 1\right )}^{3}}{\left (a x\right )^{\frac {3}{2}}} + \frac {7875 \, a^{4} {\left (\sqrt {-a x + 1} - 1\right )}}{\sqrt {a x}} - \frac {{\left (15 \, a^{4} + \frac {231 \, a^{3} {\left (\sqrt {-a x + 1} - 1\right )}^{2}}{x} + \frac {1435 \, a^{2} {\left (\sqrt {-a x + 1} - 1\right )}^{4}}{x^{2}} + \frac {7875 \, a {\left (\sqrt {-a x + 1} - 1\right )}^{6}}{x^{3}}\right )} \left (a x\right )^{\frac {7}{2}}}{{\left (\sqrt {-a x + 1} - 1\right )}^{7}}}{6720 \, a} \]
[In]
[Out]
Time = 3.08 (sec) , antiderivative size = 40, normalized size of antiderivative = 0.41 \[ \int \frac {1+a x}{x^4 \sqrt {a x} \sqrt {1-a x}} \, dx=-\frac {\sqrt {1-a\,x}\,\left (\frac {208\,a^3\,x^3}{105}+\frac {104\,a^2\,x^2}{105}+\frac {26\,a\,x}{35}+\frac {2}{7}\right )}{x^3\,\sqrt {a\,x}} \]
[In]
[Out]