\(\int e^{-\frac {5}{2} i \arctan (a x)} x \, dx\) [123]

Optimal result
Mathematica [C] (verified)
Rubi [A] (warning: unable to verify)
Maple [F]
Fricas [A] (verification not implemented)
Sympy [F]
Maxima [F]
Giac [F(-2)]
Mupad [F(-1)]
Reduce [F]

Optimal result

Integrand size = 14, antiderivative size = 255 \[ \int e^{-\frac {5}{2} i \arctan (a x)} x \, dx=-\frac {2 (1-i a x)^{9/4}}{a^2 \sqrt [4]{1+i a x}}-\frac {25 \sqrt [4]{1-i a x} (1+i a x)^{3/4}}{4 a^2}-\frac {5 (1-i a x)^{5/4} (1+i a x)^{3/4}}{2 a^2}-\frac {25 \arctan \left (1-\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{1+i a x}}\right )}{4 \sqrt {2} a^2}+\frac {25 \arctan \left (1+\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{1+i a x}}\right )}{4 \sqrt {2} a^2}+\frac {25 \text {arctanh}\left (\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{1+i a x} \left (1+\frac {\sqrt {1-i a x}}{\sqrt {1+i a x}}\right )}\right )}{4 \sqrt {2} a^2} \] Output:

-2*(1-I*a*x)^(9/4)/a^2/(1+I*a*x)^(1/4)-25/4*(1-I*a*x)^(1/4)*(1+I*a*x)^(3/4 
)/a^2-5/2*(1-I*a*x)^(5/4)*(1+I*a*x)^(3/4)/a^2-25/8*arctan(1-2^(1/2)*(1-I*a 
*x)^(1/4)/(1+I*a*x)^(1/4))*2^(1/2)/a^2+25/8*arctan(1+2^(1/2)*(1-I*a*x)^(1/ 
4)/(1+I*a*x)^(1/4))*2^(1/2)/a^2+25/8*arctanh(2^(1/2)*(1-I*a*x)^(1/4)/(1+I* 
a*x)^(1/4)/(1+(1-I*a*x)^(1/2)/(1+I*a*x)^(1/2)))*2^(1/2)/a^2
 

Mathematica [C] (verified)

Result contains higher order function than in optimal. Order 5 vs. order 3 in optimal.

Time = 0.04 (sec) , antiderivative size = 63, normalized size of antiderivative = 0.25 \[ \int e^{-\frac {5}{2} i \arctan (a x)} x \, dx=\frac {2 (1-i a x)^{9/4} \left (-\frac {9}{\sqrt [4]{1+i a x}}+5\ 2^{3/4} \operatorname {Hypergeometric2F1}\left (\frac {1}{4},\frac {9}{4},\frac {13}{4},\frac {1}{2} (1-i a x)\right )\right )}{9 a^2} \] Input:

Integrate[x/E^(((5*I)/2)*ArcTan[a*x]),x]
 

Output:

(2*(1 - I*a*x)^(9/4)*(-9/(1 + I*a*x)^(1/4) + 5*2^(3/4)*Hypergeometric2F1[1 
/4, 9/4, 13/4, (1 - I*a*x)/2]))/(9*a^2)
 

Rubi [A] (warning: unable to verify)

Time = 0.73 (sec) , antiderivative size = 314, normalized size of antiderivative = 1.23, number of steps used = 15, number of rules used = 14, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 1.000, Rules used = {5585, 87, 60, 60, 73, 770, 755, 1476, 1082, 217, 1479, 25, 27, 1103}

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.

\(\displaystyle \int x e^{-\frac {5}{2} i \arctan (a x)} \, dx\)

\(\Big \downarrow \) 5585

\(\displaystyle \int \frac {x (1-i a x)^{5/4}}{(1+i a x)^{5/4}}dx\)

\(\Big \downarrow \) 87

\(\displaystyle -\frac {5 i \int \frac {(1-i a x)^{5/4}}{\sqrt [4]{i a x+1}}dx}{a}-\frac {2 (1-i a x)^{9/4}}{a^2 \sqrt [4]{1+i a x}}\)

\(\Big \downarrow \) 60

\(\displaystyle -\frac {5 i \left (\frac {5}{4} \int \frac {\sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}dx-\frac {i (1-i a x)^{5/4} (1+i a x)^{3/4}}{2 a}\right )}{a}-\frac {2 (1-i a x)^{9/4}}{a^2 \sqrt [4]{1+i a x}}\)

\(\Big \downarrow \) 60

\(\displaystyle -\frac {5 i \left (\frac {5}{4} \left (\frac {1}{2} \int \frac {1}{(1-i a x)^{3/4} \sqrt [4]{i a x+1}}dx-\frac {i \sqrt [4]{1-i a x} (1+i a x)^{3/4}}{a}\right )-\frac {i (1-i a x)^{5/4} (1+i a x)^{3/4}}{2 a}\right )}{a}-\frac {2 (1-i a x)^{9/4}}{a^2 \sqrt [4]{1+i a x}}\)

\(\Big \downarrow \) 73

\(\displaystyle -\frac {5 i \left (\frac {5}{4} \left (\frac {2 i \int \frac {1}{\sqrt [4]{i a x+1}}d\sqrt [4]{1-i a x}}{a}-\frac {i \sqrt [4]{1-i a x} (1+i a x)^{3/4}}{a}\right )-\frac {i (1-i a x)^{5/4} (1+i a x)^{3/4}}{2 a}\right )}{a}-\frac {2 (1-i a x)^{9/4}}{a^2 \sqrt [4]{1+i a x}}\)

\(\Big \downarrow \) 770

\(\displaystyle -\frac {5 i \left (\frac {5}{4} \left (\frac {2 i \int \frac {1}{2-i a x}d\frac {\sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}}{a}-\frac {i \sqrt [4]{1-i a x} (1+i a x)^{3/4}}{a}\right )-\frac {i (1-i a x)^{5/4} (1+i a x)^{3/4}}{2 a}\right )}{a}-\frac {2 (1-i a x)^{9/4}}{a^2 \sqrt [4]{1+i a x}}\)

\(\Big \downarrow \) 755

\(\displaystyle -\frac {5 i \left (\frac {5}{4} \left (\frac {2 i \left (\frac {1}{2} \int \frac {1-\sqrt {1-i a x}}{2-i a x}d\frac {\sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}+\frac {1}{2} \int \frac {\sqrt {1-i a x}+1}{2-i a x}d\frac {\sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}\right )}{a}-\frac {i \sqrt [4]{1-i a x} (1+i a x)^{3/4}}{a}\right )-\frac {i (1-i a x)^{5/4} (1+i a x)^{3/4}}{2 a}\right )}{a}-\frac {2 (1-i a x)^{9/4}}{a^2 \sqrt [4]{1+i a x}}\)

\(\Big \downarrow \) 1476

\(\displaystyle -\frac {5 i \left (\frac {5}{4} \left (\frac {2 i \left (\frac {1}{2} \int \frac {1-\sqrt {1-i a x}}{2-i a x}d\frac {\sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}+\frac {1}{2} \left (\frac {1}{2} \int \frac {1}{\sqrt {1-i a x}-\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}+1}d\frac {\sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}+\frac {1}{2} \int \frac {1}{\sqrt {1-i a x}+\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}+1}d\frac {\sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}\right )\right )}{a}-\frac {i \sqrt [4]{1-i a x} (1+i a x)^{3/4}}{a}\right )-\frac {i (1-i a x)^{5/4} (1+i a x)^{3/4}}{2 a}\right )}{a}-\frac {2 (1-i a x)^{9/4}}{a^2 \sqrt [4]{1+i a x}}\)

\(\Big \downarrow \) 1082

\(\displaystyle -\frac {5 i \left (\frac {5}{4} \left (\frac {2 i \left (\frac {1}{2} \left (\frac {\int \frac {1}{-\sqrt {1-i a x}-1}d\left (1-\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}\right )}{\sqrt {2}}-\frac {\int \frac {1}{-\sqrt {1-i a x}-1}d\left (\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}+1\right )}{\sqrt {2}}\right )+\frac {1}{2} \int \frac {1-\sqrt {1-i a x}}{2-i a x}d\frac {\sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}\right )}{a}-\frac {i \sqrt [4]{1-i a x} (1+i a x)^{3/4}}{a}\right )-\frac {i (1-i a x)^{5/4} (1+i a x)^{3/4}}{2 a}\right )}{a}-\frac {2 (1-i a x)^{9/4}}{a^2 \sqrt [4]{1+i a x}}\)

\(\Big \downarrow \) 217

\(\displaystyle -\frac {5 i \left (\frac {5}{4} \left (\frac {2 i \left (\frac {1}{2} \int \frac {1-\sqrt {1-i a x}}{2-i a x}d\frac {\sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}+\frac {1}{2} \left (\frac {\arctan \left (1+\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{1+i a x}}\right )}{\sqrt {2}}-\frac {\arctan \left (1-\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{1+i a x}}\right )}{\sqrt {2}}\right )\right )}{a}-\frac {i \sqrt [4]{1-i a x} (1+i a x)^{3/4}}{a}\right )-\frac {i (1-i a x)^{5/4} (1+i a x)^{3/4}}{2 a}\right )}{a}-\frac {2 (1-i a x)^{9/4}}{a^2 \sqrt [4]{1+i a x}}\)

\(\Big \downarrow \) 1479

\(\displaystyle -\frac {5 i \left (\frac {5}{4} \left (\frac {2 i \left (\frac {1}{2} \left (-\frac {\int -\frac {\sqrt {2}-\frac {2 \sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}}{\sqrt {1-i a x}-\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}+1}d\frac {\sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}}{2 \sqrt {2}}-\frac {\int -\frac {\sqrt {2} \left (\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}+1\right )}{\sqrt {1-i a x}+\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}+1}d\frac {\sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}}{2 \sqrt {2}}\right )+\frac {1}{2} \left (\frac {\arctan \left (1+\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{1+i a x}}\right )}{\sqrt {2}}-\frac {\arctan \left (1-\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{1+i a x}}\right )}{\sqrt {2}}\right )\right )}{a}-\frac {i \sqrt [4]{1-i a x} (1+i a x)^{3/4}}{a}\right )-\frac {i (1-i a x)^{5/4} (1+i a x)^{3/4}}{2 a}\right )}{a}-\frac {2 (1-i a x)^{9/4}}{a^2 \sqrt [4]{1+i a x}}\)

\(\Big \downarrow \) 25

\(\displaystyle -\frac {5 i \left (\frac {5}{4} \left (\frac {2 i \left (\frac {1}{2} \left (\frac {\int \frac {\sqrt {2}-\frac {2 \sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}}{\sqrt {1-i a x}-\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}+1}d\frac {\sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}}{2 \sqrt {2}}+\frac {\int \frac {\sqrt {2} \left (\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}+1\right )}{\sqrt {1-i a x}+\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}+1}d\frac {\sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}}{2 \sqrt {2}}\right )+\frac {1}{2} \left (\frac {\arctan \left (1+\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{1+i a x}}\right )}{\sqrt {2}}-\frac {\arctan \left (1-\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{1+i a x}}\right )}{\sqrt {2}}\right )\right )}{a}-\frac {i \sqrt [4]{1-i a x} (1+i a x)^{3/4}}{a}\right )-\frac {i (1-i a x)^{5/4} (1+i a x)^{3/4}}{2 a}\right )}{a}-\frac {2 (1-i a x)^{9/4}}{a^2 \sqrt [4]{1+i a x}}\)

\(\Big \downarrow \) 27

\(\displaystyle -\frac {5 i \left (\frac {5}{4} \left (\frac {2 i \left (\frac {1}{2} \left (\frac {\int \frac {\sqrt {2}-\frac {2 \sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}}{\sqrt {1-i a x}-\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}+1}d\frac {\sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}}{2 \sqrt {2}}+\frac {1}{2} \int \frac {\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}+1}{\sqrt {1-i a x}+\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}+1}d\frac {\sqrt [4]{1-i a x}}{\sqrt [4]{i a x+1}}\right )+\frac {1}{2} \left (\frac {\arctan \left (1+\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{1+i a x}}\right )}{\sqrt {2}}-\frac {\arctan \left (1-\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{1+i a x}}\right )}{\sqrt {2}}\right )\right )}{a}-\frac {i \sqrt [4]{1-i a x} (1+i a x)^{3/4}}{a}\right )-\frac {i (1-i a x)^{5/4} (1+i a x)^{3/4}}{2 a}\right )}{a}-\frac {2 (1-i a x)^{9/4}}{a^2 \sqrt [4]{1+i a x}}\)

\(\Big \downarrow \) 1103

\(\displaystyle -\frac {2 (1-i a x)^{9/4}}{a^2 \sqrt [4]{1+i a x}}-\frac {5 i \left (\frac {5}{4} \left (\frac {2 i \left (\frac {1}{2} \left (\frac {\arctan \left (1+\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{1+i a x}}\right )}{\sqrt {2}}-\frac {\arctan \left (1-\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{1+i a x}}\right )}{\sqrt {2}}\right )+\frac {1}{2} \left (\frac {\log \left (\sqrt {1-i a x}+\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{1+i a x}}+1\right )}{2 \sqrt {2}}-\frac {\log \left (\sqrt {1-i a x}-\frac {\sqrt {2} \sqrt [4]{1-i a x}}{\sqrt [4]{1+i a x}}+1\right )}{2 \sqrt {2}}\right )\right )}{a}-\frac {i \sqrt [4]{1-i a x} (1+i a x)^{3/4}}{a}\right )-\frac {i (1-i a x)^{5/4} (1+i a x)^{3/4}}{2 a}\right )}{a}\)

Input:

Int[x/E^(((5*I)/2)*ArcTan[a*x]),x]
 

Output:

(-2*(1 - I*a*x)^(9/4))/(a^2*(1 + I*a*x)^(1/4)) - ((5*I)*(((-1/2*I)*(1 - I* 
a*x)^(5/4)*(1 + I*a*x)^(3/4))/a + (5*(((-I)*(1 - I*a*x)^(1/4)*(1 + I*a*x)^ 
(3/4))/a + ((2*I)*((-(ArcTan[1 - (Sqrt[2]*(1 - I*a*x)^(1/4))/(1 + I*a*x)^( 
1/4)]/Sqrt[2]) + ArcTan[1 + (Sqrt[2]*(1 - I*a*x)^(1/4))/(1 + I*a*x)^(1/4)] 
/Sqrt[2])/2 + (-1/2*Log[1 + Sqrt[1 - I*a*x] - (Sqrt[2]*(1 - I*a*x)^(1/4))/ 
(1 + I*a*x)^(1/4)]/Sqrt[2] + Log[1 + Sqrt[1 - I*a*x] + (Sqrt[2]*(1 - I*a*x 
)^(1/4))/(1 + I*a*x)^(1/4)]/(2*Sqrt[2]))/2))/a))/4))/a
 

Defintions of rubi rules used

rule 25
Int[-(Fx_), x_Symbol] :> Simp[Identity[-1]   Int[Fx, x], x]
 

rule 27
Int[(a_)*(Fx_), x_Symbol] :> Simp[a   Int[Fx, x], x] /; FreeQ[a, x] &&  !Ma 
tchQ[Fx, (b_)*(Gx_) /; FreeQ[b, x]]
 

rule 60
Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[ 
(a + b*x)^(m + 1)*((c + d*x)^n/(b*(m + n + 1))), x] + Simp[n*((b*c - a*d)/( 
b*(m + n + 1)))   Int[(a + b*x)^m*(c + d*x)^(n - 1), x], x] /; FreeQ[{a, b, 
 c, d}, x] && GtQ[n, 0] && NeQ[m + n + 1, 0] &&  !(IGtQ[m, 0] && ( !Integer 
Q[n] || (GtQ[m, 0] && LtQ[m - n, 0]))) &&  !ILtQ[m + n + 2, 0] && IntLinear 
Q[a, b, c, d, m, n, x]
 

rule 73
Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> With[ 
{p = Denominator[m]}, Simp[p/b   Subst[Int[x^(p*(m + 1) - 1)*(c - a*(d/b) + 
 d*(x^p/b))^n, x], x, (a + b*x)^(1/p)], x]] /; FreeQ[{a, b, c, d}, x] && Lt 
Q[-1, m, 0] && LeQ[-1, n, 0] && LeQ[Denominator[n], Denominator[m]] && IntL 
inearQ[a, b, c, d, m, n, x]
 

rule 87
Int[((a_.) + (b_.)*(x_))*((c_.) + (d_.)*(x_))^(n_.)*((e_.) + (f_.)*(x_))^(p 
_.), x_] :> Simp[(-(b*e - a*f))*(c + d*x)^(n + 1)*((e + f*x)^(p + 1)/(f*(p 
+ 1)*(c*f - d*e))), x] - Simp[(a*d*f*(n + p + 2) - b*(d*e*(n + 1) + c*f*(p 
+ 1)))/(f*(p + 1)*(c*f - d*e))   Int[(c + d*x)^n*(e + f*x)^(p + 1), x], x] 
/; FreeQ[{a, b, c, d, e, f, n}, x] && LtQ[p, -1] && ( !LtQ[n, -1] || Intege 
rQ[p] ||  !(IntegerQ[n] ||  !(EqQ[e, 0] ||  !(EqQ[c, 0] || LtQ[p, n]))))
 

rule 217
Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> Simp[(-(Rt[-a, 2]*Rt[-b, 2])^( 
-1))*ArcTan[Rt[-b, 2]*(x/Rt[-a, 2])], x] /; FreeQ[{a, b}, x] && PosQ[a/b] & 
& (LtQ[a, 0] || LtQ[b, 0])
 

rule 755
Int[((a_) + (b_.)*(x_)^4)^(-1), x_Symbol] :> With[{r = Numerator[Rt[a/b, 2] 
], s = Denominator[Rt[a/b, 2]]}, Simp[1/(2*r)   Int[(r - s*x^2)/(a + b*x^4) 
, x], x] + Simp[1/(2*r)   Int[(r + s*x^2)/(a + b*x^4), x], x]] /; FreeQ[{a, 
 b}, x] && (GtQ[a/b, 0] || (PosQ[a/b] && AtomQ[SplitProduct[SumBaseQ, a]] & 
& AtomQ[SplitProduct[SumBaseQ, b]]))
 

rule 770
Int[((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> Simp[a^(p + 1/n)   Subst[In 
t[1/(1 - b*x^n)^(p + 1/n + 1), x], x, x/(a + b*x^n)^(1/n)], x] /; FreeQ[{a, 
 b}, x] && IGtQ[n, 0] && LtQ[-1, p, 0] && NeQ[p, -2^(-1)] && IntegerQ[p + 1 
/n]
 

rule 1082
Int[((a_) + (b_.)*(x_) + (c_.)*(x_)^2)^(-1), x_Symbol] :> With[{q = 1 - 4*S 
implify[a*(c/b^2)]}, Simp[-2/b   Subst[Int[1/(q - x^2), x], x, 1 + 2*c*(x/b 
)], x] /; RationalQ[q] && (EqQ[q^2, 1] ||  !RationalQ[b^2 - 4*a*c])] /; Fre 
eQ[{a, b, c}, x]
 

rule 1103
Int[((d_) + (e_.)*(x_))/((a_.) + (b_.)*(x_) + (c_.)*(x_)^2), x_Symbol] :> S 
imp[d*(Log[RemoveContent[a + b*x + c*x^2, x]]/b), x] /; FreeQ[{a, b, c, d, 
e}, x] && EqQ[2*c*d - b*e, 0]
 

rule 1476
Int[((d_) + (e_.)*(x_)^2)/((a_) + (c_.)*(x_)^4), x_Symbol] :> With[{q = Rt[ 
2*(d/e), 2]}, Simp[e/(2*c)   Int[1/Simp[d/e + q*x + x^2, x], x], x] + Simp[ 
e/(2*c)   Int[1/Simp[d/e - q*x + x^2, x], x], x]] /; FreeQ[{a, c, d, e}, x] 
 && EqQ[c*d^2 - a*e^2, 0] && PosQ[d*e]
 

rule 1479
Int[((d_) + (e_.)*(x_)^2)/((a_) + (c_.)*(x_)^4), x_Symbol] :> With[{q = Rt[ 
-2*(d/e), 2]}, Simp[e/(2*c*q)   Int[(q - 2*x)/Simp[d/e + q*x - x^2, x], x], 
 x] + Simp[e/(2*c*q)   Int[(q + 2*x)/Simp[d/e - q*x - x^2, x], x], x]] /; F 
reeQ[{a, c, d, e}, x] && EqQ[c*d^2 - a*e^2, 0] && NegQ[d*e]
 

rule 5585
Int[E^(ArcTan[(a_.)*(x_)]*(n_.))*(x_)^(m_.), x_Symbol] :> Int[x^m*((1 - I*a 
*x)^(I*(n/2))/(1 + I*a*x)^(I*(n/2))), x] /; FreeQ[{a, m, n}, x] &&  !Intege 
rQ[(I*n - 1)/2]
 
Maple [F]

\[\int \frac {x}{{\left (\frac {i a x +1}{\sqrt {a^{2} x^{2}+1}}\right )}^{\frac {5}{2}}}d x\]

Input:

int(x/((1+I*a*x)/(a^2*x^2+1)^(1/2))^(5/2),x)
 

Output:

int(x/((1+I*a*x)/(a^2*x^2+1)^(1/2))^(5/2),x)
 

Fricas [A] (verification not implemented)

Time = 0.12 (sec) , antiderivative size = 289, normalized size of antiderivative = 1.13 \[ \int e^{-\frac {5}{2} i \arctan (a x)} x \, dx=-\frac {2 \, {\left (a^{3} x - i \, a^{2}\right )} \sqrt {\frac {625 i}{16 \, a^{4}}} \log \left (\frac {4}{25} i \, a^{2} \sqrt {\frac {625 i}{16 \, a^{4}}} + \sqrt {\frac {i \, \sqrt {a^{2} x^{2} + 1}}{a x + i}}\right ) - 2 \, {\left (a^{3} x - i \, a^{2}\right )} \sqrt {\frac {625 i}{16 \, a^{4}}} \log \left (-\frac {4}{25} i \, a^{2} \sqrt {\frac {625 i}{16 \, a^{4}}} + \sqrt {\frac {i \, \sqrt {a^{2} x^{2} + 1}}{a x + i}}\right ) - 2 \, {\left (a^{3} x - i \, a^{2}\right )} \sqrt {-\frac {625 i}{16 \, a^{4}}} \log \left (\frac {4}{25} i \, a^{2} \sqrt {-\frac {625 i}{16 \, a^{4}}} + \sqrt {\frac {i \, \sqrt {a^{2} x^{2} + 1}}{a x + i}}\right ) + 2 \, {\left (a^{3} x - i \, a^{2}\right )} \sqrt {-\frac {625 i}{16 \, a^{4}}} \log \left (-\frac {4}{25} i \, a^{2} \sqrt {-\frac {625 i}{16 \, a^{4}}} + \sqrt {\frac {i \, \sqrt {a^{2} x^{2} + 1}}{a x + i}}\right ) - \sqrt {a^{2} x^{2} + 1} {\left (2 i \, a^{2} x^{2} - 9 \, a x + 43 i\right )} \sqrt {\frac {i \, \sqrt {a^{2} x^{2} + 1}}{a x + i}}}{4 \, {\left (a^{3} x - i \, a^{2}\right )}} \] Input:

integrate(x/((1+I*a*x)/(a^2*x^2+1)^(1/2))^(5/2),x, algorithm="fricas")
 

Output:

-1/4*(2*(a^3*x - I*a^2)*sqrt(625/16*I/a^4)*log(4/25*I*a^2*sqrt(625/16*I/a^ 
4) + sqrt(I*sqrt(a^2*x^2 + 1)/(a*x + I))) - 2*(a^3*x - I*a^2)*sqrt(625/16* 
I/a^4)*log(-4/25*I*a^2*sqrt(625/16*I/a^4) + sqrt(I*sqrt(a^2*x^2 + 1)/(a*x 
+ I))) - 2*(a^3*x - I*a^2)*sqrt(-625/16*I/a^4)*log(4/25*I*a^2*sqrt(-625/16 
*I/a^4) + sqrt(I*sqrt(a^2*x^2 + 1)/(a*x + I))) + 2*(a^3*x - I*a^2)*sqrt(-6 
25/16*I/a^4)*log(-4/25*I*a^2*sqrt(-625/16*I/a^4) + sqrt(I*sqrt(a^2*x^2 + 1 
)/(a*x + I))) - sqrt(a^2*x^2 + 1)*(2*I*a^2*x^2 - 9*a*x + 43*I)*sqrt(I*sqrt 
(a^2*x^2 + 1)/(a*x + I)))/(a^3*x - I*a^2)
 

Sympy [F]

\[ \int e^{-\frac {5}{2} i \arctan (a x)} x \, dx=\int \frac {x}{\left (\frac {i \left (a x - i\right )}{\sqrt {a^{2} x^{2} + 1}}\right )^{\frac {5}{2}}}\, dx \] Input:

integrate(x/((1+I*a*x)/(a**2*x**2+1)**(1/2))**(5/2),x)
 

Output:

Integral(x/(I*(a*x - I)/sqrt(a**2*x**2 + 1))**(5/2), x)
 

Maxima [F]

\[ \int e^{-\frac {5}{2} i \arctan (a x)} x \, dx=\int { \frac {x}{\left (\frac {i \, a x + 1}{\sqrt {a^{2} x^{2} + 1}}\right )^{\frac {5}{2}}} \,d x } \] Input:

integrate(x/((1+I*a*x)/(a^2*x^2+1)^(1/2))^(5/2),x, algorithm="maxima")
 

Output:

integrate(x/((I*a*x + 1)/sqrt(a^2*x^2 + 1))^(5/2), x)
 

Giac [F(-2)]

Exception generated. \[ \int e^{-\frac {5}{2} i \arctan (a x)} x \, dx=\text {Exception raised: TypeError} \] Input:

integrate(x/((1+I*a*x)/(a^2*x^2+1)^(1/2))^(5/2),x, algorithm="giac")
 

Output:

Exception raised: TypeError >> an error occurred running a Giac command:IN 
PUT:sage2:=int(sage0,sageVARx):;OUTPUT:Warning, need to choose a branch fo 
r the root of a polynomial with parameters. This might be wrong.The choice 
 was done
 

Mupad [F(-1)]

Timed out. \[ \int e^{-\frac {5}{2} i \arctan (a x)} x \, dx=\int \frac {x}{{\left (\frac {1+a\,x\,1{}\mathrm {i}}{\sqrt {a^2\,x^2+1}}\right )}^{5/2}} \,d x \] Input:

int(x/((a*x*1i + 1)/(a^2*x^2 + 1)^(1/2))^(5/2),x)
 

Output:

int(x/((a*x*1i + 1)/(a^2*x^2 + 1)^(1/2))^(5/2), x)
 

Reduce [F]

\[ \int e^{-\frac {5}{2} i \arctan (a x)} x \, dx=-\left (\int \frac {\left (a^{2} x^{2}+1\right )^{\frac {1}{4}} x^{3}}{\sqrt {a i x +1}\, a^{2} x^{2}-2 \sqrt {a i x +1}\, a i x -\sqrt {a i x +1}}d x \right ) a^{2}-\left (\int \frac {\left (a^{2} x^{2}+1\right )^{\frac {1}{4}} x}{\sqrt {a i x +1}\, a^{2} x^{2}-2 \sqrt {a i x +1}\, a i x -\sqrt {a i x +1}}d x \right ) \] Input:

int(x/((1+I*a*x)/(a^2*x^2+1)^(1/2))^(5/2),x)
 

Output:

 - (int(((a**2*x**2 + 1)**(1/4)*x**3)/(sqrt(a*i*x + 1)*a**2*x**2 - 2*sqrt( 
a*i*x + 1)*a*i*x - sqrt(a*i*x + 1)),x)*a**2 + int(((a**2*x**2 + 1)**(1/4)* 
x)/(sqrt(a*i*x + 1)*a**2*x**2 - 2*sqrt(a*i*x + 1)*a*i*x - sqrt(a*i*x + 1)) 
,x))