3.18.8 \(\int 18 e^4 \, dx\) [1708]

3.18.8.1 Optimal result
3.18.8.2 Mathematica [A] (verified)
3.18.8.3 Rubi [A] (verified)
3.18.8.4 Maple [A] (verified)
3.18.8.5 Fricas [A] (verification not implemented)
3.18.8.6 Sympy [A] (verification not implemented)
3.18.8.7 Maxima [A] (verification not implemented)
3.18.8.8 Giac [A] (verification not implemented)
3.18.8.9 Mupad [B] (verification not implemented)

3.18.8.1 Optimal result

Integrand size = 5, antiderivative size = 6 \[ \int 18 e^4 \, dx=18 e^4 x \]

output
18*x*exp(4)
 
3.18.8.2 Mathematica [A] (verified)

Time = 0.00 (sec) , antiderivative size = 6, normalized size of antiderivative = 1.00 \[ \int 18 e^4 \, dx=18 e^4 x \]

input
Integrate[18*E^4,x]
 
output
18*E^4*x
 
3.18.8.3 Rubi [A] (verified)

Time = 0.12 (sec) , antiderivative size = 6, normalized size of antiderivative = 1.00, number of steps used = 1, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {24}

Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.

\(\displaystyle \int 18 e^4 \, dx\)

\(\Big \downarrow \) 24

\(\displaystyle 18 e^4 x\)

input
Int[18*E^4,x]
 
output
18*E^4*x
 

3.18.8.3.1 Defintions of rubi rules used

rule 24
Int[a_, x_Symbol] :> Simp[a*x, x] /; FreeQ[a, x]
 
3.18.8.4 Maple [A] (verified)

Time = 0.02 (sec) , antiderivative size = 6, normalized size of antiderivative = 1.00

method result size
default \(18 x \,{\mathrm e}^{4}\) \(6\)
norman \(18 x \,{\mathrm e}^{4}\) \(6\)
risch \(18 x \,{\mathrm e}^{4}\) \(6\)
parallelrisch \(18 x \,{\mathrm e}^{4}\) \(6\)

input
int(18*exp(4),x,method=_RETURNVERBOSE)
 
output
18*x*exp(4)
 
3.18.8.5 Fricas [A] (verification not implemented)

Time = 0.22 (sec) , antiderivative size = 5, normalized size of antiderivative = 0.83 \[ \int 18 e^4 \, dx=18 \, x e^{4} \]

input
integrate(18*exp(4),x, algorithm=\
 
output
18*x*e^4
 
3.18.8.6 Sympy [A] (verification not implemented)

Time = 0.02 (sec) , antiderivative size = 5, normalized size of antiderivative = 0.83 \[ \int 18 e^4 \, dx=18 x e^{4} \]

input
integrate(18*exp(4),x)
 
output
18*x*exp(4)
 
3.18.8.7 Maxima [A] (verification not implemented)

Time = 0.20 (sec) , antiderivative size = 5, normalized size of antiderivative = 0.83 \[ \int 18 e^4 \, dx=18 \, x e^{4} \]

input
integrate(18*exp(4),x, algorithm=\
 
output
18*x*e^4
 
3.18.8.8 Giac [A] (verification not implemented)

Time = 0.27 (sec) , antiderivative size = 5, normalized size of antiderivative = 0.83 \[ \int 18 e^4 \, dx=18 \, x e^{4} \]

input
integrate(18*exp(4),x, algorithm=\
 
output
18*x*e^4
 
3.18.8.9 Mupad [B] (verification not implemented)

Time = 0.00 (sec) , antiderivative size = 5, normalized size of antiderivative = 0.83 \[ \int 18 e^4 \, dx=18\,x\,{\mathrm {e}}^4 \]

input
int(18*exp(4),x)
 
output
18*x*exp(4)