Integrand size = 20, antiderivative size = 55 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^8} \, dx=-\frac {a^4 c^3}{7 x^7}+\frac {a^3 b c^3}{3 x^6}-\frac {a b^3 c^3}{2 x^4}+\frac {b^4 c^3}{3 x^3} \]
[Out]
Time = 0.01 (sec) , antiderivative size = 55, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.050, Rules used = {76} \[ \int \frac {(a+b x) (a c-b c x)^3}{x^8} \, dx=-\frac {a^4 c^3}{7 x^7}+\frac {a^3 b c^3}{3 x^6}-\frac {a b^3 c^3}{2 x^4}+\frac {b^4 c^3}{3 x^3} \]
[In]
[Out]
Rule 76
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {a^4 c^3}{x^8}-\frac {2 a^3 b c^3}{x^7}+\frac {2 a b^3 c^3}{x^5}-\frac {b^4 c^3}{x^4}\right ) \, dx \\ & = -\frac {a^4 c^3}{7 x^7}+\frac {a^3 b c^3}{3 x^6}-\frac {a b^3 c^3}{2 x^4}+\frac {b^4 c^3}{3 x^3} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 47, normalized size of antiderivative = 0.85 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^8} \, dx=c^3 \left (-\frac {a^4}{7 x^7}+\frac {a^3 b}{3 x^6}-\frac {a b^3}{2 x^4}+\frac {b^4}{3 x^3}\right ) \]
[In]
[Out]
Time = 0.37 (sec) , antiderivative size = 39, normalized size of antiderivative = 0.71
method | result | size |
gosper | \(-\frac {c^{3} \left (-14 b^{4} x^{4}+21 a \,b^{3} x^{3}-14 a^{3} b x +6 a^{4}\right )}{42 x^{7}}\) | \(39\) |
default | \(c^{3} \left (\frac {a^{3} b}{3 x^{6}}-\frac {a^{4}}{7 x^{7}}+\frac {b^{4}}{3 x^{3}}-\frac {a \,b^{3}}{2 x^{4}}\right )\) | \(40\) |
norman | \(\frac {-\frac {1}{7} a^{4} c^{3}+\frac {1}{3} b^{4} c^{3} x^{4}-\frac {1}{2} a \,b^{3} c^{3} x^{3}+\frac {1}{3} a^{3} b \,c^{3} x}{x^{7}}\) | \(47\) |
risch | \(\frac {-\frac {1}{7} a^{4} c^{3}+\frac {1}{3} b^{4} c^{3} x^{4}-\frac {1}{2} a \,b^{3} c^{3} x^{3}+\frac {1}{3} a^{3} b \,c^{3} x}{x^{7}}\) | \(47\) |
parallelrisch | \(\frac {14 b^{4} c^{3} x^{4}-21 a \,b^{3} c^{3} x^{3}+14 a^{3} b \,c^{3} x -6 a^{4} c^{3}}{42 x^{7}}\) | \(48\) |
[In]
[Out]
none
Time = 0.22 (sec) , antiderivative size = 47, normalized size of antiderivative = 0.85 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^8} \, dx=\frac {14 \, b^{4} c^{3} x^{4} - 21 \, a b^{3} c^{3} x^{3} + 14 \, a^{3} b c^{3} x - 6 \, a^{4} c^{3}}{42 \, x^{7}} \]
[In]
[Out]
Time = 0.15 (sec) , antiderivative size = 51, normalized size of antiderivative = 0.93 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^8} \, dx=- \frac {6 a^{4} c^{3} - 14 a^{3} b c^{3} x + 21 a b^{3} c^{3} x^{3} - 14 b^{4} c^{3} x^{4}}{42 x^{7}} \]
[In]
[Out]
none
Time = 0.21 (sec) , antiderivative size = 47, normalized size of antiderivative = 0.85 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^8} \, dx=\frac {14 \, b^{4} c^{3} x^{4} - 21 \, a b^{3} c^{3} x^{3} + 14 \, a^{3} b c^{3} x - 6 \, a^{4} c^{3}}{42 \, x^{7}} \]
[In]
[Out]
none
Time = 0.27 (sec) , antiderivative size = 47, normalized size of antiderivative = 0.85 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^8} \, dx=\frac {14 \, b^{4} c^{3} x^{4} - 21 \, a b^{3} c^{3} x^{3} + 14 \, a^{3} b c^{3} x - 6 \, a^{4} c^{3}}{42 \, x^{7}} \]
[In]
[Out]
Time = 0.30 (sec) , antiderivative size = 47, normalized size of antiderivative = 0.85 \[ \int \frac {(a+b x) (a c-b c x)^3}{x^8} \, dx=-\frac {\frac {a^4\,c^3}{7}-\frac {a^3\,b\,c^3\,x}{3}+\frac {a\,b^3\,c^3\,x^3}{2}-\frac {b^4\,c^3\,x^4}{3}}{x^7} \]
[In]
[Out]