Optimal. Leaf size=60 \[ \frac {(a+b x)^2 \left (a^2-b^2 x^2\right )^{1+p} \, _2F_1\left (1,2 (2+p);4+p;\frac {a+b x}{2 a}\right )}{2 a b (3+p)} \]
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Rubi [A]
time = 0.02, antiderivative size = 71, normalized size of antiderivative = 1.18, number of steps
used = 2, number of rules used = 2, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.091, Rules used = {692, 71}
\begin {gather*} -\frac {a 2^{p+2} \left (\frac {b x}{a}+1\right )^{-p-1} \left (a^2-b^2 x^2\right )^{p+1} \, _2F_1\left (-p-2,p+1;p+2;\frac {a-b x}{2 a}\right )}{b (p+1)} \end {gather*}
Antiderivative was successfully verified.
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Rule 71
Rule 692
Rubi steps
\begin {align*} \int (a+b x)^2 \left (a^2-b^2 x^2\right )^p \, dx &=\left (a (a-b x)^{-1-p} \left (1+\frac {b x}{a}\right )^{-1-p} \left (a^2-b^2 x^2\right )^{1+p}\right ) \int (a-b x)^p \left (1+\frac {b x}{a}\right )^{2+p} \, dx\\ &=-\frac {2^{2+p} a \left (1+\frac {b x}{a}\right )^{-1-p} \left (a^2-b^2 x^2\right )^{1+p} \, _2F_1\left (-2-p,1+p;2+p;\frac {a-b x}{2 a}\right )}{b (1+p)}\\ \end {align*}
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Mathematica [B] Leaf count is larger than twice the leaf count of optimal. \(134\) vs. \(2(60)=120\).
time = 0.21, size = 134, normalized size = 2.23 \begin {gather*} \frac {\left (a^2-b^2 x^2\right )^p \left (1-\frac {b^2 x^2}{a^2}\right )^{-p} \left (-3 a \left (a^2-b^2 x^2\right ) \left (1-\frac {b^2 x^2}{a^2}\right )^p+3 a^2 b (1+p) x \, _2F_1\left (\frac {1}{2},-p;\frac {3}{2};\frac {b^2 x^2}{a^2}\right )+b^3 (1+p) x^3 \, _2F_1\left (\frac {3}{2},-p;\frac {5}{2};\frac {b^2 x^2}{a^2}\right )\right )}{3 b (1+p)} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.11, size = 0, normalized size = 0.00 \[\int \left (b x +a \right )^{2} \left (-b^{2} x^{2}+a^{2}\right )^{p}\, dx\]
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 [A]
time = 1.79, size = 124, normalized size = 2.07 \begin {gather*} a^{2} a^{2 p} x {{}_{2}F_{1}\left (\begin {matrix} \frac {1}{2}, - p \\ \frac {3}{2} \end {matrix}\middle | {\frac {b^{2} x^{2} e^{2 i \pi }}{a^{2}}} \right )} + 2 a b \left (\begin {cases} \frac {x^{2} \left (a^{2}\right )^{p}}{2} & \text {for}\: b^{2} = 0 \\- \frac {\begin {cases} \frac {\left (a^{2} - b^{2} x^{2}\right )^{p + 1}}{p + 1} & \text {for}\: p \neq -1 \\\log {\left (a^{2} - b^{2} x^{2} \right )} & \text {otherwise} \end {cases}}{2 b^{2}} & \text {otherwise} \end {cases}\right ) + \frac {a^{2 p} b^{2} x^{3} {{}_{2}F_{1}\left (\begin {matrix} \frac {3}{2}, - p \\ \frac {5}{2} \end {matrix}\middle | {\frac {b^{2} x^{2} e^{2 i \pi }}{a^{2}}} \right )}}{3} \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 = -0.02 \begin {gather*} \int {\left (a^2-b^2\,x^2\right )}^p\,{\left (a+b\,x\right )}^2 \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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