3.13.12 \(\int \frac {(a-i a x)^{5/4}}{(a+i a x)^{5/4}} \, dx\) [1212]

3.13.12.1 Optimal result
3.13.12.2 Mathematica [C] (verified)
3.13.12.3 Rubi [A] (warning: unable to verify)
3.13.12.4 Maple [C] (verified)
3.13.12.5 Fricas [A] (verification not implemented)
3.13.12.6 Sympy [F]
3.13.12.7 Maxima [F]
3.13.12.8 Giac [F(-2)]
3.13.12.9 Mupad [F(-1)]
3.13.12.10 Reduce [F]

3.13.12.1 Optimal result

Integrand size = 25, antiderivative size = 287 \[ \int \frac {(a-i a x)^{5/4}}{(a+i a x)^{5/4}} \, dx=\frac {4 i (a-i a x)^{5/4}}{a \sqrt [4]{a+i a x}}+\frac {5 i \sqrt [4]{a-i a x} (a+i a x)^{3/4}}{a}+\frac {5 i \arctan \left (1-\frac {\sqrt {2} \sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )}{\sqrt {2}}-\frac {5 i \arctan \left (1+\frac {\sqrt {2} \sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )}{\sqrt {2}}+\frac {5 i \log \left (1+\frac {\sqrt {a-i a x}}{\sqrt {a+i a x}}-\frac {\sqrt {2} \sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )}{2 \sqrt {2}}-\frac {5 i \log \left (1+\frac {\sqrt {a-i a x}}{\sqrt {a+i a x}}+\frac {\sqrt {2} \sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )}{2 \sqrt {2}} \]

output
4*I*(a-I*a*x)^(5/4)/a/(a+I*a*x)^(1/4)+5*I*(a-I*a*x)^(1/4)*(a+I*a*x)^(3/4)/ 
a+5/2*I*arctan(1-(a-I*a*x)^(1/4)*2^(1/2)/(a+I*a*x)^(1/4))*2^(1/2)-5/2*I*ar 
ctan(1+(a-I*a*x)^(1/4)*2^(1/2)/(a+I*a*x)^(1/4))*2^(1/2)+5/4*I*ln(1-(a-I*a* 
x)^(1/4)*2^(1/2)/(a+I*a*x)^(1/4)+(a-I*a*x)^(1/2)/(a+I*a*x)^(1/2))*2^(1/2)- 
5/4*I*ln(1+(a-I*a*x)^(1/4)*2^(1/2)/(a+I*a*x)^(1/4)+(a-I*a*x)^(1/2)/(a+I*a* 
x)^(1/2))*2^(1/2)
 
3.13.12.2 Mathematica [C] (verified)

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

Time = 1.06 (sec) , antiderivative size = 70, normalized size of antiderivative = 0.24 \[ \int \frac {(a-i a x)^{5/4}}{(a+i a x)^{5/4}} \, dx=\frac {i 2^{3/4} \sqrt [4]{1+i x} (a-i a x)^{9/4} \operatorname {Hypergeometric2F1}\left (\frac {5}{4},\frac {9}{4},\frac {13}{4},\frac {1}{2}-\frac {i x}{2}\right )}{9 a^2 \sqrt [4]{a+i a x}} \]

input
Integrate[(a - I*a*x)^(5/4)/(a + I*a*x)^(5/4),x]
 
output
((I/9)*2^(3/4)*(1 + I*x)^(1/4)*(a - I*a*x)^(9/4)*Hypergeometric2F1[5/4, 9/ 
4, 13/4, 1/2 - (I/2)*x])/(a^2*(a + I*a*x)^(1/4))
 
3.13.12.3 Rubi [A] (warning: unable to verify)

Time = 0.34 (sec) , antiderivative size = 270, normalized size of antiderivative = 0.94, number of steps used = 13, number of rules used = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.480, Rules used = {57, 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.

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

\(\Big \downarrow \) 57

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

\(\Big \downarrow \) 60

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

\(\Big \downarrow \) 73

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

\(\Big \downarrow \) 770

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

\(\Big \downarrow \) 755

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

\(\Big \downarrow \) 1476

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

\(\Big \downarrow \) 1082

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

\(\Big \downarrow \) 217

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

\(\Big \downarrow \) 1479

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

\(\Big \downarrow \) 25

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

\(\Big \downarrow \) 27

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

\(\Big \downarrow \) 1103

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

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

3.13.12.3.1 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 57
Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[ 
(a + b*x)^(m + 1)*((c + d*x)^n/(b*(m + 1))), x] - Simp[d*(n/(b*(m + 1))) 
Int[(a + b*x)^(m + 1)*(c + d*x)^(n - 1), x], x] /; FreeQ[{a, b, c, d}, x] & 
& GtQ[n, 0] && LtQ[m, -1] &&  !(IntegerQ[n] &&  !IntegerQ[m]) &&  !(ILeQ[m 
+ n + 2, 0] && (FractionQ[m] || GeQ[2*n + m + 1, 0])) && IntLinearQ[a, b, c 
, d, m, n, 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 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]
 
3.13.12.4 Maple [C] (verified)

Result contains higher order function than in optimal. Order 9 vs. order 3.

Time = 1.24 (sec) , antiderivative size = 478, normalized size of antiderivative = 1.67

method result size
risch \(-\frac {i \left (x^{2}-8 i x +9\right ) \left (-a \left (i x -1\right )\right )^{\frac {1}{4}}}{\left (i x -1\right ) \left (a \left (i x +1\right )\right )^{\frac {1}{4}}}-\frac {\left (-\frac {5 \operatorname {RootOf}\left (\textit {\_Z}^{2}-i\right ) \ln \left (\frac {-\left (-x^{4}-2 i x^{3}-2 i x +1\right )^{\frac {1}{4}} \operatorname {RootOf}\left (\textit {\_Z}^{2}-i\right ) x^{2}-x^{3}-i \operatorname {RootOf}\left (\textit {\_Z}^{2}-i\right ) \left (-x^{4}-2 i x^{3}-2 i x +1\right )^{\frac {3}{4}}-i \sqrt {-x^{4}-2 i x^{3}-2 i x +1}\, x -2 i \operatorname {RootOf}\left (\textit {\_Z}^{2}-i\right ) \left (-x^{4}-2 i x^{3}-2 i x +1\right )^{\frac {1}{4}} x -2 i x^{2}+\sqrt {-x^{4}-2 i x^{3}-2 i x +1}+\operatorname {RootOf}\left (\textit {\_Z}^{2}-i\right ) \left (-x^{4}-2 i x^{3}-2 i x +1\right )^{\frac {1}{4}}+x}{\left (i x -1\right )^{2}}\right )}{2}+\frac {5 i \operatorname {RootOf}\left (\textit {\_Z}^{2}-i\right ) \ln \left (-\frac {-i \left (-x^{4}-2 i x^{3}-2 i x +1\right )^{\frac {1}{4}} \operatorname {RootOf}\left (\textit {\_Z}^{2}-i\right ) x^{2}+2 \operatorname {RootOf}\left (\textit {\_Z}^{2}-i\right ) \left (-x^{4}-2 i x^{3}-2 i x +1\right )^{\frac {1}{4}} x +x^{3}-i \sqrt {-x^{4}-2 i x^{3}-2 i x +1}\, x -\operatorname {RootOf}\left (\textit {\_Z}^{2}-i\right ) \left (-x^{4}-2 i x^{3}-2 i x +1\right )^{\frac {3}{4}}+i \operatorname {RootOf}\left (\textit {\_Z}^{2}-i\right ) \left (-x^{4}-2 i x^{3}-2 i x +1\right )^{\frac {1}{4}}+2 i x^{2}+\sqrt {-x^{4}-2 i x^{3}-2 i x +1}-x}{\left (i x -1\right )^{2}}\right )}{2}\right ) \left (-a \left (i x -1\right )\right )^{\frac {1}{4}} \left (-\left (i x -1\right )^{3} \left (i x +1\right )\right )^{\frac {1}{4}}}{\left (i x -1\right ) \left (a \left (i x +1\right )\right )^{\frac {1}{4}}}\) \(478\)

input
int((a-I*a*x)^(5/4)/(a+I*a*x)^(5/4),x,method=_RETURNVERBOSE)
 
output
-I*(x^2+9-8*I*x)*(-a*(I*x-1))^(1/4)/(I*x-1)/(a*(I*x+1))^(1/4)-(-5/2*RootOf 
(_Z^2-I)*ln((-(1-x^4-2*I*x^3-2*I*x)^(1/4)*RootOf(_Z^2-I)*x^2-x^3-I*RootOf( 
_Z^2-I)*(1-x^4-2*I*x^3-2*I*x)^(3/4)-I*(1-x^4-2*I*x^3-2*I*x)^(1/2)*x-2*I*Ro 
otOf(_Z^2-I)*(1-x^4-2*I*x^3-2*I*x)^(1/4)*x-2*I*x^2+(1-x^4-2*I*x^3-2*I*x)^( 
1/2)+RootOf(_Z^2-I)*(1-x^4-2*I*x^3-2*I*x)^(1/4)+x)/(I*x-1)^2)+5/2*I*RootOf 
(_Z^2-I)*ln(-(-I*(1-x^4-2*I*x^3-2*I*x)^(1/4)*RootOf(_Z^2-I)*x^2+2*RootOf(_ 
Z^2-I)*(1-x^4-2*I*x^3-2*I*x)^(1/4)*x+x^3-I*(1-x^4-2*I*x^3-2*I*x)^(1/2)*x-R 
ootOf(_Z^2-I)*(1-x^4-2*I*x^3-2*I*x)^(3/4)+I*RootOf(_Z^2-I)*(1-x^4-2*I*x^3- 
2*I*x)^(1/4)+2*I*x^2+(1-x^4-2*I*x^3-2*I*x)^(1/2)-x)/(I*x-1)^2))*(-a*(I*x-1 
))^(1/4)/(I*x-1)*(-(I*x-1)^3*(I*x+1))^(1/4)/(a*(I*x+1))^(1/4)
 
3.13.12.5 Fricas [A] (verification not implemented)

Time = 0.24 (sec) , antiderivative size = 233, normalized size of antiderivative = 0.81 \[ \int \frac {(a-i a x)^{5/4}}{(a+i a x)^{5/4}} \, dx=-\frac {\sqrt {25 i} {\left (a x - i \, a\right )} \log \left (\frac {\sqrt {25 i} {\left (a x - i \, a\right )} + 5 \, {\left (i \, a x + a\right )}^{\frac {3}{4}} {\left (-i \, a x + a\right )}^{\frac {1}{4}}}{5 \, {\left (x - i\right )}}\right ) - \sqrt {25 i} {\left (a x - i \, a\right )} \log \left (-\frac {\sqrt {25 i} {\left (a x - i \, a\right )} - 5 \, {\left (i \, a x + a\right )}^{\frac {3}{4}} {\left (-i \, a x + a\right )}^{\frac {1}{4}}}{5 \, {\left (x - i\right )}}\right ) + \sqrt {-25 i} {\left (a x - i \, a\right )} \log \left (\frac {\sqrt {-25 i} {\left (a x - i \, a\right )} + 5 \, {\left (i \, a x + a\right )}^{\frac {3}{4}} {\left (-i \, a x + a\right )}^{\frac {1}{4}}}{5 \, {\left (x - i\right )}}\right ) - \sqrt {-25 i} {\left (a x - i \, a\right )} \log \left (-\frac {\sqrt {-25 i} {\left (a x - i \, a\right )} - 5 \, {\left (i \, a x + a\right )}^{\frac {3}{4}} {\left (-i \, a x + a\right )}^{\frac {1}{4}}}{5 \, {\left (x - i\right )}}\right ) + 2 \, {\left (i \, a x + a\right )}^{\frac {3}{4}} {\left (-i \, a x + a\right )}^{\frac {1}{4}} {\left (-i \, x - 9\right )}}{2 \, {\left (a x - i \, a\right )}} \]

input
integrate((a-I*a*x)^(5/4)/(a+I*a*x)^(5/4),x, algorithm="fricas")
 
output
-1/2*(sqrt(25*I)*(a*x - I*a)*log(1/5*(sqrt(25*I)*(a*x - I*a) + 5*(I*a*x + 
a)^(3/4)*(-I*a*x + a)^(1/4))/(x - I)) - sqrt(25*I)*(a*x - I*a)*log(-1/5*(s 
qrt(25*I)*(a*x - I*a) - 5*(I*a*x + a)^(3/4)*(-I*a*x + a)^(1/4))/(x - I)) + 
 sqrt(-25*I)*(a*x - I*a)*log(1/5*(sqrt(-25*I)*(a*x - I*a) + 5*(I*a*x + a)^ 
(3/4)*(-I*a*x + a)^(1/4))/(x - I)) - sqrt(-25*I)*(a*x - I*a)*log(-1/5*(sqr 
t(-25*I)*(a*x - I*a) - 5*(I*a*x + a)^(3/4)*(-I*a*x + a)^(1/4))/(x - I)) + 
2*(I*a*x + a)^(3/4)*(-I*a*x + a)^(1/4)*(-I*x - 9))/(a*x - I*a)
 
3.13.12.6 Sympy [F]

\[ \int \frac {(a-i a x)^{5/4}}{(a+i a x)^{5/4}} \, dx=\int \frac {\left (- i a \left (x + i\right )\right )^{\frac {5}{4}}}{\left (i a \left (x - i\right )\right )^{\frac {5}{4}}}\, dx \]

input
integrate((a-I*a*x)**(5/4)/(a+I*a*x)**(5/4),x)
 
output
Integral((-I*a*(x + I))**(5/4)/(I*a*(x - I))**(5/4), x)
 
3.13.12.7 Maxima [F]

\[ \int \frac {(a-i a x)^{5/4}}{(a+i a x)^{5/4}} \, dx=\int { \frac {{\left (-i \, a x + a\right )}^{\frac {5}{4}}}{{\left (i \, a x + a\right )}^{\frac {5}{4}}} \,d x } \]

input
integrate((a-I*a*x)^(5/4)/(a+I*a*x)^(5/4),x, algorithm="maxima")
 
output
integrate((-I*a*x + a)^(5/4)/(I*a*x + a)^(5/4), x)
 
3.13.12.8 Giac [F(-2)]

Exception generated. \[ \int \frac {(a-i a x)^{5/4}}{(a+i a x)^{5/4}} \, dx=\text {Exception raised: RuntimeError} \]

input
integrate((a-I*a*x)^(5/4)/(a+I*a*x)^(5/4),x, algorithm="giac")
 
output
Exception raised: RuntimeError >> an error occurred running a Giac command 
:INPUT:sage2OUTPUT:The choice was done assuming 0=[0,0]ext_reduce Error: B 
ad Argument Typeintegrate(-(-i)/4*16*((sageVARa+(-i)*sageVARa*sageVARx)^(1 
/4))^8/(-((s
 
3.13.12.9 Mupad [F(-1)]

Timed out. \[ \int \frac {(a-i a x)^{5/4}}{(a+i a x)^{5/4}} \, dx=\int \frac {{\left (a-a\,x\,1{}\mathrm {i}\right )}^{5/4}}{{\left (a+a\,x\,1{}\mathrm {i}\right )}^{5/4}} \,d x \]

input
int((a - a*x*1i)^(5/4)/(a + a*x*1i)^(5/4),x)
 
output
int((a - a*x*1i)^(5/4)/(a + a*x*1i)^(5/4), x)
 
3.13.12.10 Reduce [F]

\[ \int \frac {(a-i a x)^{5/4}}{(a+i a x)^{5/4}} \, dx=\int \frac {\left (-i x +1\right )^{\frac {1}{4}}}{\left (i x +1\right )^{\frac {1}{4}} i x +\left (i x +1\right )^{\frac {1}{4}}}d x -\left (\int \frac {\left (-i x +1\right )^{\frac {1}{4}} x}{\left (i x +1\right )^{\frac {1}{4}} i x +\left (i x +1\right )^{\frac {1}{4}}}d x \right ) i \]

input
int((( - a*i*x + a)**(1/4)*( - i*x + 1))/((a*i*x + a)**(1/4)*(i*x + 1)),x)
 
output
int(( - i*x + 1)**(1/4)/((i*x + 1)**(1/4)*i*x + (i*x + 1)**(1/4)),x) - int 
((( - i*x + 1)**(1/4)*x)/((i*x + 1)**(1/4)*i*x + (i*x + 1)**(1/4)),x)*i