Optimal. Leaf size=35 \[ \frac {b (a+b x)^{1+n} \, _2F_1\left (2,1+n;2+n;1+\frac {b x}{a}\right )}{a^2 (1+n)} \]
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Rubi [A]
time = 0.00, antiderivative size = 35, normalized size of antiderivative = 1.00, number of steps
used = 1, number of rules used = 1, integrand size = 11, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {67}
\begin {gather*} \frac {b (a+b x)^{n+1} \, _2F_1\left (2,n+1;n+2;\frac {b x}{a}+1\right )}{a^2 (n+1)} \end {gather*}
Antiderivative was successfully verified.
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Rule 67
Rubi steps
\begin {align*} \int \frac {(a+b x)^n}{x^2} \, dx &=\frac {b (a+b x)^{1+n} \, _2F_1\left (2,1+n;2+n;1+\frac {b x}{a}\right )}{a^2 (1+n)}\\ \end {align*}
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Mathematica [A]
time = 0.02, size = 35, normalized size = 1.00 \begin {gather*} \frac {b (a+b x)^{1+n} \, _2F_1\left (2,1+n;2+n;1+\frac {b x}{a}\right )}{a^2 (1+n)} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.04, size = 0, normalized size = 0.00 \[\int \frac {\left (b x +a \right )^{n}}{x^{2}}\, dx\]
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 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 354 vs.
\(2 (27) = 54\).
time = 0.90, size = 354, normalized size = 10.11 \begin {gather*} \frac {a b^{2} b^{n} n^{2} \left (\frac {a}{b} + x\right ) \left (\frac {a}{b} + x\right )^{n} \Phi \left (\frac {b \left (\frac {a}{b} + x\right )}{a}, 1, n + 1\right ) \Gamma \left (n + 1\right )}{- a^{3} \Gamma \left (n + 2\right ) + a^{2} b \left (\frac {a}{b} + x\right ) \Gamma \left (n + 2\right )} + \frac {a b^{2} b^{n} n \left (\frac {a}{b} + x\right ) \left (\frac {a}{b} + x\right )^{n} \Phi \left (\frac {b \left (\frac {a}{b} + x\right )}{a}, 1, n + 1\right ) \Gamma \left (n + 1\right )}{- a^{3} \Gamma \left (n + 2\right ) + a^{2} b \left (\frac {a}{b} + x\right ) \Gamma \left (n + 2\right )} - \frac {a b^{2} b^{n} n \left (\frac {a}{b} + x\right ) \left (\frac {a}{b} + x\right )^{n} \Gamma \left (n + 1\right )}{- a^{3} \Gamma \left (n + 2\right ) + a^{2} b \left (\frac {a}{b} + x\right ) \Gamma \left (n + 2\right )} - \frac {a b^{2} b^{n} \left (\frac {a}{b} + x\right ) \left (\frac {a}{b} + x\right )^{n} \Gamma \left (n + 1\right )}{- a^{3} \Gamma \left (n + 2\right ) + a^{2} b \left (\frac {a}{b} + x\right ) \Gamma \left (n + 2\right )} - \frac {b^{3} b^{n} n^{2} \left (\frac {a}{b} + x\right )^{2} \left (\frac {a}{b} + x\right )^{n} \Phi \left (\frac {b \left (\frac {a}{b} + x\right )}{a}, 1, n + 1\right ) \Gamma \left (n + 1\right )}{- a^{3} \Gamma \left (n + 2\right ) + a^{2} b \left (\frac {a}{b} + x\right ) \Gamma \left (n + 2\right )} - \frac {b^{3} b^{n} n \left (\frac {a}{b} + x\right )^{2} \left (\frac {a}{b} + x\right )^{n} \Phi \left (\frac {b \left (\frac {a}{b} + x\right )}{a}, 1, n + 1\right ) \Gamma \left (n + 1\right )}{- a^{3} \Gamma \left (n + 2\right ) + a^{2} b \left (\frac {a}{b} + x\right ) \Gamma \left (n + 2\right )} \end {gather*}
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 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.03 \begin {gather*} \int \frac {{\left (a+b\,x\right )}^n}{x^2} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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