Optimal. Leaf size=47 \[ -\frac {(b c-a d) (c+d x)^{1+n}}{d^2 (1+n)}+\frac {b (c+d x)^{2+n}}{d^2 (2+n)} \]
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Rubi [A]
time = 0.01, antiderivative size = 47, normalized size of antiderivative = 1.00, number of steps
used = 2, number of rules used = 1, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {45}
\begin {gather*} \frac {b (c+d x)^{n+2}}{d^2 (n+2)}-\frac {(b c-a d) (c+d x)^{n+1}}{d^2 (n+1)} \end {gather*}
Antiderivative was successfully verified.
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Rule 45
Rubi steps
\begin {align*} \int (a+b x) (c+d x)^n \, dx &=\int \left (\frac {(-b c+a d) (c+d x)^n}{d}+\frac {b (c+d x)^{1+n}}{d}\right ) \, dx\\ &=-\frac {(b c-a d) (c+d x)^{1+n}}{d^2 (1+n)}+\frac {b (c+d x)^{2+n}}{d^2 (2+n)}\\ \end {align*}
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Mathematica [A]
time = 0.05, size = 41, normalized size = 0.87 \begin {gather*} \frac {(c+d x)^{1+n} (-b c+a d (2+n)+b d (1+n) x)}{d^2 (1+n) (2+n)} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.16, size = 46, normalized size = 0.98
method | result | size |
gosper | \(\frac {\left (d x +c \right )^{1+n} \left (b d n x +a d n +b d x +2 a d -b c \right )}{d^{2} \left (n^{2}+3 n +2\right )}\) | \(46\) |
risch | \(\frac {\left (x^{2} b \,d^{2} n +a \,d^{2} n x +b c d n x +x^{2} b \,d^{2}+a c d n +2 a \,d^{2} x +2 a c d -b \,c^{2}\right ) \left (d x +c \right )^{n}}{d^{2} \left (2+n \right ) \left (1+n \right )}\) | \(76\) |
norman | \(\frac {b \,x^{2} {\mathrm e}^{n \ln \left (d x +c \right )}}{2+n}+\frac {c \left (a d n +2 a d -b c \right ) {\mathrm e}^{n \ln \left (d x +c \right )}}{d^{2} \left (n^{2}+3 n +2\right )}+\frac {\left (a d n +b c n +2 a d \right ) x \,{\mathrm e}^{n \ln \left (d x +c \right )}}{d \left (n^{2}+3 n +2\right )}\) | \(95\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.29, size = 63, normalized size = 1.34 \begin {gather*} \frac {{\left (d^{2} {\left (n + 1\right )} x^{2} + c d n x - c^{2}\right )} {\left (d x + c\right )}^{n} b}{{\left (n^{2} + 3 \, n + 2\right )} d^{2}} + \frac {{\left (d x + c\right )}^{n + 1} a}{d {\left (n + 1\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.71, size = 83, normalized size = 1.77 \begin {gather*} \frac {{\left (a c d n - b c^{2} + 2 \, a c d + {\left (b d^{2} n + b d^{2}\right )} x^{2} + {\left (2 \, a d^{2} + {\left (b c d + a d^{2}\right )} n\right )} x\right )} {\left (d x + c\right )}^{n}}{d^{2} n^{2} + 3 \, d^{2} n + 2 \, d^{2}} \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. 377 vs.
\(2 (37) = 74\).
time = 0.28, size = 377, normalized size = 8.02 \begin {gather*} \begin {cases} c^{n} \left (a x + \frac {b x^{2}}{2}\right ) & \text {for}\: d = 0 \\- \frac {a d}{c d^{2} + d^{3} x} + \frac {b c \log {\left (\frac {c}{d} + x \right )}}{c d^{2} + d^{3} x} + \frac {b c}{c d^{2} + d^{3} x} + \frac {b d x \log {\left (\frac {c}{d} + x \right )}}{c d^{2} + d^{3} x} & \text {for}\: n = -2 \\\frac {a \log {\left (\frac {c}{d} + x \right )}}{d} - \frac {b c \log {\left (\frac {c}{d} + x \right )}}{d^{2}} + \frac {b x}{d} & \text {for}\: n = -1 \\\frac {a c d n \left (c + d x\right )^{n}}{d^{2} n^{2} + 3 d^{2} n + 2 d^{2}} + \frac {2 a c d \left (c + d x\right )^{n}}{d^{2} n^{2} + 3 d^{2} n + 2 d^{2}} + \frac {a d^{2} n x \left (c + d x\right )^{n}}{d^{2} n^{2} + 3 d^{2} n + 2 d^{2}} + \frac {2 a d^{2} x \left (c + d x\right )^{n}}{d^{2} n^{2} + 3 d^{2} n + 2 d^{2}} - \frac {b c^{2} \left (c + d x\right )^{n}}{d^{2} n^{2} + 3 d^{2} n + 2 d^{2}} + \frac {b c d n x \left (c + d x\right )^{n}}{d^{2} n^{2} + 3 d^{2} n + 2 d^{2}} + \frac {b d^{2} n x^{2} \left (c + d x\right )^{n}}{d^{2} n^{2} + 3 d^{2} n + 2 d^{2}} + \frac {b d^{2} x^{2} \left (c + d x\right )^{n}}{d^{2} n^{2} + 3 d^{2} n + 2 d^{2}} & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 132 vs.
\(2 (47) = 94\).
time = 6.13, size = 132, normalized size = 2.81 \begin {gather*} \frac {{\left (d x + c\right )}^{n} b d^{2} n x^{2} + {\left (d x + c\right )}^{n} b c d n x + {\left (d x + c\right )}^{n} a d^{2} n x + {\left (d x + c\right )}^{n} b d^{2} x^{2} + {\left (d x + c\right )}^{n} a c d n + 2 \, {\left (d x + c\right )}^{n} a d^{2} x - {\left (d x + c\right )}^{n} b c^{2} + 2 \, {\left (d x + c\right )}^{n} a c d}{d^{2} n^{2} + 3 \, d^{2} n + 2 \, d^{2}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.49, size = 88, normalized size = 1.87 \begin {gather*} {\left (c+d\,x\right )}^n\,\left (\frac {c\,\left (2\,a\,d-b\,c+a\,d\,n\right )}{d^2\,\left (n^2+3\,n+2\right )}+\frac {b\,x^2\,\left (n+1\right )}{n^2+3\,n+2}+\frac {x\,\left (2\,a\,d^2+a\,d^2\,n+b\,c\,d\,n\right )}{d^2\,\left (n^2+3\,n+2\right )}\right ) \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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