Optimal. Leaf size=76 \[ \frac {2 a^{3/2} \tan ^{-1}\left (\frac {\sqrt {b (c x)^n-a}}{\sqrt {a}}\right )}{n}-\frac {2 a \sqrt {b (c x)^n-a}}{n}+\frac {2 \left (b (c x)^n-a\right )^{3/2}}{3 n} \]
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Rubi [A] time = 0.06, antiderivative size = 76, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 6, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.316, Rules used = {367, 12, 266, 50, 63, 205} \[ \frac {2 a^{3/2} \tan ^{-1}\left (\frac {\sqrt {b (c x)^n-a}}{\sqrt {a}}\right )}{n}-\frac {2 a \sqrt {b (c x)^n-a}}{n}+\frac {2 \left (b (c x)^n-a\right )^{3/2}}{3 n} \]
Antiderivative was successfully verified.
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Rule 12
Rule 50
Rule 63
Rule 205
Rule 266
Rule 367
Rubi steps
\begin {align*} \int \frac {\left (-a+b (c x)^n\right )^{3/2}}{x} \, dx &=\frac {\operatorname {Subst}\left (\int \frac {c \left (-a+b x^n\right )^{3/2}}{x} \, dx,x,c x\right )}{c}\\ &=\operatorname {Subst}\left (\int \frac {\left (-a+b x^n\right )^{3/2}}{x} \, dx,x,c x\right )\\ &=\frac {\operatorname {Subst}\left (\int \frac {(-a+b x)^{3/2}}{x} \, dx,x,(c x)^n\right )}{n}\\ &=\frac {2 \left (-a+b (c x)^n\right )^{3/2}}{3 n}-\frac {a \operatorname {Subst}\left (\int \frac {\sqrt {-a+b x}}{x} \, dx,x,(c x)^n\right )}{n}\\ &=-\frac {2 a \sqrt {-a+b (c x)^n}}{n}+\frac {2 \left (-a+b (c x)^n\right )^{3/2}}{3 n}+\frac {a^2 \operatorname {Subst}\left (\int \frac {1}{x \sqrt {-a+b x}} \, dx,x,(c x)^n\right )}{n}\\ &=-\frac {2 a \sqrt {-a+b (c x)^n}}{n}+\frac {2 \left (-a+b (c x)^n\right )^{3/2}}{3 n}+\frac {\left (2 a^2\right ) \operatorname {Subst}\left (\int \frac {1}{\frac {a}{b}+\frac {x^2}{b}} \, dx,x,\sqrt {-a+b (c x)^n}\right )}{b n}\\ &=-\frac {2 a \sqrt {-a+b (c x)^n}}{n}+\frac {2 \left (-a+b (c x)^n\right )^{3/2}}{3 n}+\frac {2 a^{3/2} \tan ^{-1}\left (\frac {\sqrt {-a+b (c x)^n}}{\sqrt {a}}\right )}{n}\\ \end {align*}
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Mathematica [A] time = 0.05, size = 66, normalized size = 0.87 \[ \frac {6 a^{3/2} \tan ^{-1}\left (\frac {\sqrt {b (c x)^n-a}}{\sqrt {a}}\right )-2 \left (4 a-b (c x)^n\right ) \sqrt {b (c x)^n-a}}{3 n} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.46, size = 135, normalized size = 1.78 \[ \left [\frac {3 \, \sqrt {-a} a \log \left (\frac {\left (c x\right )^{n} b + 2 \, \sqrt {\left (c x\right )^{n} b - a} \sqrt {-a} - 2 \, a}{\left (c x\right )^{n}}\right ) + 2 \, \sqrt {\left (c x\right )^{n} b - a} {\left (\left (c x\right )^{n} b - 4 \, a\right )}}{3 \, n}, \frac {2 \, {\left (3 \, a^{\frac {3}{2}} \arctan \left (\frac {\sqrt {\left (c x\right )^{n} b - a}}{\sqrt {a}}\right ) + \sqrt {\left (c x\right )^{n} b - a} {\left (\left (c x\right )^{n} b - 4 \, a\right )}\right )}}{3 \, n}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {{\left (\left (c x\right )^{n} b - a\right )}^{\frac {3}{2}}}{x}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 65, normalized size = 0.86 \[ \frac {2 a^{\frac {3}{2}} \arctan \left (\frac {\sqrt {b \left (c x \right )^{n}-a}}{\sqrt {a}}\right )}{n}-\frac {2 \sqrt {b \left (c x \right )^{n}-a}\, a}{n}+\frac {2 \left (b \left (c x \right )^{n}-a \right )^{\frac {3}{2}}}{3 n} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {{\left (\left (c x\right )^{n} b - a\right )}^{\frac {3}{2}}}{x}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.01 \[ \int \frac {{\left (b\,{\left (c\,x\right )}^n-a\right )}^{3/2}}{x} \,d x \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 70.06, size = 95, normalized size = 1.25 \[ \begin {cases} \frac {a \left (2 \sqrt {a} \operatorname {atan}{\left (\frac {\sqrt {- a + b \left (c x\right )^{n}}}{\sqrt {a}} \right )} - 2 \sqrt {- a + b \left (c x\right )^{n}}\right ) - b \left (\begin {cases} - \sqrt {- a} \left (c x\right )^{n} & \text {for}\: b = 0 \\- \frac {2 \left (- a + b \left (c x\right )^{n}\right )^{\frac {3}{2}}}{3 b} & \text {otherwise} \end {cases}\right )}{n} & \text {for}\: n \neq 0 \\\left (- a \sqrt {- a + b} + b \sqrt {- a + b}\right ) \log {\relax (x )} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
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