Optimal. Leaf size=107 \[ -\frac {d e^{\frac {e}{c+d x}}}{b (b c-a d)}-\frac {e^{\frac {e}{c+d x}}}{b (a+b x)}-\frac {d e e^{\frac {b e}{b c-a d}} \text {Ei}\left (-\frac {d e (a+b x)}{(b c-a d) (c+d x)}\right )}{(b c-a d)^2} \]
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Rubi [A]
time = 0.37, antiderivative size = 107, normalized size of antiderivative = 1.00, number of steps
used = 9, number of rules used = 7, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.368, Rules used = {2255, 6874,
2254, 2241, 2260, 2209, 2240} \begin {gather*} -\frac {d e e^{\frac {b e}{b c-a d}} \text {Ei}\left (-\frac {d e (a+b x)}{(b c-a d) (c+d x)}\right )}{(b c-a d)^2}-\frac {d e^{\frac {e}{c+d x}}}{b (b c-a d)}-\frac {e^{\frac {e}{c+d x}}}{b (a+b x)} \end {gather*}
Antiderivative was successfully verified.
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Rule 2209
Rule 2240
Rule 2241
Rule 2254
Rule 2255
Rule 2260
Rule 6874
Rubi steps
\begin {align*} \int \frac {e^{\frac {e}{c+d x}}}{(a+b x)^2} \, dx &=-\frac {e^{\frac {e}{c+d x}}}{b (a+b x)}-\frac {(d e) \int \frac {e^{\frac {e}{c+d x}}}{(a+b x) (c+d x)^2} \, dx}{b}\\ &=-\frac {e^{\frac {e}{c+d x}}}{b (a+b x)}-\frac {(d e) \int \left (\frac {b^2 e^{\frac {e}{c+d x}}}{(b c-a d)^2 (a+b x)}-\frac {d e^{\frac {e}{c+d x}}}{(b c-a d) (c+d x)^2}-\frac {b d e^{\frac {e}{c+d x}}}{(b c-a d)^2 (c+d x)}\right ) \, dx}{b}\\ &=-\frac {e^{\frac {e}{c+d x}}}{b (a+b x)}-\frac {(b d e) \int \frac {e^{\frac {e}{c+d x}}}{a+b x} \, dx}{(b c-a d)^2}+\frac {\left (d^2 e\right ) \int \frac {e^{\frac {e}{c+d x}}}{c+d x} \, dx}{(b c-a d)^2}+\frac {\left (d^2 e\right ) \int \frac {e^{\frac {e}{c+d x}}}{(c+d x)^2} \, dx}{b (b c-a d)}\\ &=-\frac {d e^{\frac {e}{c+d x}}}{b (b c-a d)}-\frac {e^{\frac {e}{c+d x}}}{b (a+b x)}-\frac {d e \text {Ei}\left (\frac {e}{c+d x}\right )}{(b c-a d)^2}-\frac {\left (d^2 e\right ) \int \frac {e^{\frac {e}{c+d x}}}{c+d x} \, dx}{(b c-a d)^2}-\frac {(d e) \int \frac {e^{\frac {e}{c+d x}}}{(a+b x) (c+d x)} \, dx}{b c-a d}\\ &=-\frac {d e^{\frac {e}{c+d x}}}{b (b c-a d)}-\frac {e^{\frac {e}{c+d x}}}{b (a+b x)}-\frac {(d e) \text {Subst}\left (\int \frac {\exp \left (-\frac {b e}{-b c+a d}+\frac {d e x}{-b c+a d}\right )}{x} \, dx,x,\frac {a+b x}{c+d x}\right )}{(b c-a d)^2}\\ &=-\frac {d e^{\frac {e}{c+d x}}}{b (b c-a d)}-\frac {e^{\frac {e}{c+d x}}}{b (a+b x)}-\frac {d e e^{\frac {b e}{b c-a d}} \text {Ei}\left (-\frac {d e (a+b x)}{(b c-a d) (c+d x)}\right )}{(b c-a d)^2}\\ \end {align*}
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Mathematica [A]
time = 0.10, size = 105, normalized size = 0.98 \begin {gather*} -\frac {d e^{\frac {e}{c+d x}}}{b (b c-a d)}-\frac {e^{\frac {e}{c+d x}}}{b (a+b x)}-\frac {d e e^{\frac {b e}{b c-a d}} \text {Ei}\left (-\frac {b e}{b c-a d}+\frac {e}{c+d x}\right )}{(-b c+a d)^2} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.08, size = 97, normalized size = 0.91
method | result | size |
derivativedivides | \(-\frac {d e \left (-\frac {{\mathrm e}^{\frac {e}{d x +c}}}{\frac {e}{d x +c}+\frac {b e}{a d -c b}}-{\mathrm e}^{-\frac {b e}{a d -c b}} \expIntegral \left (1, -\frac {e}{d x +c}-\frac {b e}{a d -c b}\right )\right )}{\left (a d -c b \right )^{2}}\) | \(97\) |
default | \(-\frac {d e \left (-\frac {{\mathrm e}^{\frac {e}{d x +c}}}{\frac {e}{d x +c}+\frac {b e}{a d -c b}}-{\mathrm e}^{-\frac {b e}{a d -c b}} \expIntegral \left (1, -\frac {e}{d x +c}-\frac {b e}{a d -c b}\right )\right )}{\left (a d -c b \right )^{2}}\) | \(97\) |
risch | \(\frac {e d \,{\mathrm e}^{\frac {e}{d x +c}}}{\left (a d -c b \right )^{2} \left (\frac {e}{d x +c}+\frac {b e}{a d -c b}\right )}+\frac {e d \,{\mathrm e}^{-\frac {b e}{a d -c b}} \expIntegral \left (1, -\frac {e}{d x +c}-\frac {b e}{a d -c b}\right )}{\left (a d -c b \right )^{2}}\) | \(105\) |
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 [A]
time = 0.35, size = 156, normalized size = 1.46 \begin {gather*} -\frac {{\left (b d x + a d\right )} {\rm Ei}\left (-\frac {{\left (b d x + a d\right )} e}{b c^{2} - a c d + {\left (b c d - a d^{2}\right )} x}\right ) e^{\left (\frac {b e}{b c - a d} + 1\right )} + {\left (b c^{2} - a c d + {\left (b c d - a d^{2}\right )} x\right )} e^{\left (\frac {e}{d x + c}\right )}}{a b^{2} c^{2} - 2 \, a^{2} b c d + a^{3} d^{2} + {\left (b^{3} c^{2} - 2 \, a b^{2} c d + a^{2} b d^{2}\right )} x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {e^{\frac {e}{c + d x}}}{\left (a + b x\right )^{2}}\, dx \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. 345 vs.
\(2 (109) = 218\).
time = 2.35, size = 345, normalized size = 3.22 \begin {gather*} -\frac {{\left (b {\rm Ei}\left (-\frac {b e - \frac {b c e}{d x + c} + \frac {a d e}{d x + c}}{b c - a d}\right ) e^{\left (\frac {b e}{b c - a d} + 3\right )} - \frac {b c {\rm Ei}\left (-\frac {b e - \frac {b c e}{d x + c} + \frac {a d e}{d x + c}}{b c - a d}\right ) e^{\left (\frac {b e}{b c - a d} + 3\right )}}{d x + c} + \frac {a d {\rm Ei}\left (-\frac {b e - \frac {b c e}{d x + c} + \frac {a d e}{d x + c}}{b c - a d}\right ) e^{\left (\frac {b e}{b c - a d} + 3\right )}}{d x + c} + b c e^{\left (\frac {e}{d x + c} + 2\right )} - a d e^{\left (\frac {e}{d x + c} + 2\right )}\right )} d e^{\left (-1\right )}}{b^{3} c^{2} e - \frac {b^{3} c^{3} e}{d x + c} - 2 \, a b^{2} c d e + \frac {3 \, a b^{2} c^{2} d e}{d x + c} + a^{2} b d^{2} e - \frac {3 \, a^{2} b c d^{2} e}{d x + c} + \frac {a^{3} d^{3} e}{d x + c}} \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 = -0.01 \begin {gather*} \int \frac {{\mathrm {e}}^{\frac {e}{c+d\,x}}}{{\left (a+b\,x\right )}^2} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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