Optimal. Leaf size=291 \[ \frac {4 i (a-i a x)^{7/4}}{3 a (a+i a x)^{3/4}}+\frac {7 i \sqrt [4]{a+i a x} (a-i a x)^{3/4}}{3 a}-\frac {7 i \log \left (\frac {\sqrt {a-i a x}}{\sqrt {a+i a x}}-\frac {\sqrt {2} \sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}+1\right )}{2 \sqrt {2}}+\frac {7 i \log \left (\frac {\sqrt {a-i a x}}{\sqrt {a+i a x}}+\frac {\sqrt {2} \sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}+1\right )}{2 \sqrt {2}}+\frac {7 i \tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )}{\sqrt {2}}-\frac {7 i \tan ^{-1}\left (1+\frac {\sqrt {2} \sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )}{\sqrt {2}} \]
________________________________________________________________________________________
Rubi [A] time = 0.18, antiderivative size = 291, normalized size of antiderivative = 1.00, number of steps used = 13, number of rules used = 10, integrand size = 25, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.400, Rules used = {47, 50, 63, 331, 297, 1162, 617, 204, 1165, 628} \begin {gather*} \frac {4 i (a-i a x)^{7/4}}{3 a (a+i a x)^{3/4}}+\frac {7 i \sqrt [4]{a+i a x} (a-i a x)^{3/4}}{3 a}-\frac {7 i \log \left (\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}}+1\right )}{2 \sqrt {2}}+\frac {7 i \log \left (\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}}+1\right )}{2 \sqrt {2}}+\frac {7 i \tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )}{\sqrt {2}}-\frac {7 i \tan ^{-1}\left (1+\frac {\sqrt {2} \sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )}{\sqrt {2}} \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
Rule 47
Rule 50
Rule 63
Rule 204
Rule 297
Rule 331
Rule 617
Rule 628
Rule 1162
Rule 1165
Rubi steps
\begin {align*} \int \frac {(a-i a x)^{7/4}}{(a+i a x)^{7/4}} \, dx &=\frac {4 i (a-i a x)^{7/4}}{3 a (a+i a x)^{3/4}}-\frac {7}{3} \int \frac {(a-i a x)^{3/4}}{(a+i a x)^{3/4}} \, dx\\ &=\frac {4 i (a-i a x)^{7/4}}{3 a (a+i a x)^{3/4}}+\frac {7 i (a-i a x)^{3/4} \sqrt [4]{a+i a x}}{3 a}-\frac {1}{2} (7 a) \int \frac {1}{\sqrt [4]{a-i a x} (a+i a x)^{3/4}} \, dx\\ &=\frac {4 i (a-i a x)^{7/4}}{3 a (a+i a x)^{3/4}}+\frac {7 i (a-i a x)^{3/4} \sqrt [4]{a+i a x}}{3 a}-14 i \operatorname {Subst}\left (\int \frac {x^2}{\left (2 a-x^4\right )^{3/4}} \, dx,x,\sqrt [4]{a-i a x}\right )\\ &=\frac {4 i (a-i a x)^{7/4}}{3 a (a+i a x)^{3/4}}+\frac {7 i (a-i a x)^{3/4} \sqrt [4]{a+i a x}}{3 a}-14 i \operatorname {Subst}\left (\int \frac {x^2}{1+x^4} \, dx,x,\frac {\sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )\\ &=\frac {4 i (a-i a x)^{7/4}}{3 a (a+i a x)^{3/4}}+\frac {7 i (a-i a x)^{3/4} \sqrt [4]{a+i a x}}{3 a}+7 i \operatorname {Subst}\left (\int \frac {1-x^2}{1+x^4} \, dx,x,\frac {\sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )-7 i \operatorname {Subst}\left (\int \frac {1+x^2}{1+x^4} \, dx,x,\frac {\sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )\\ &=\frac {4 i (a-i a x)^{7/4}}{3 a (a+i a x)^{3/4}}+\frac {7 i (a-i a x)^{3/4} \sqrt [4]{a+i a x}}{3 a}-\frac {7}{2} i \operatorname {Subst}\left (\int \frac {1}{1-\sqrt {2} x+x^2} \, dx,x,\frac {\sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )-\frac {7}{2} i \operatorname {Subst}\left (\int \frac {1}{1+\sqrt {2} x+x^2} \, dx,x,\frac {\sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )-\frac {(7 i) \operatorname {Subst}\left (\int \frac {\sqrt {2}+2 x}{-1-\sqrt {2} x-x^2} \, dx,x,\frac {\sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )}{2 \sqrt {2}}-\frac {(7 i) \operatorname {Subst}\left (\int \frac {\sqrt {2}-2 x}{-1+\sqrt {2} x-x^2} \, dx,x,\frac {\sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )}{2 \sqrt {2}}\\ &=\frac {4 i (a-i a x)^{7/4}}{3 a (a+i a x)^{3/4}}+\frac {7 i (a-i a x)^{3/4} \sqrt [4]{a+i a x}}{3 a}-\frac {7 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 {7 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 {(7 i) \operatorname {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\frac {\sqrt {2} \sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )}{\sqrt {2}}+\frac {(7 i) \operatorname {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\frac {\sqrt {2} \sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )}{\sqrt {2}}\\ &=\frac {4 i (a-i a x)^{7/4}}{3 a (a+i a x)^{3/4}}+\frac {7 i (a-i a x)^{3/4} \sqrt [4]{a+i a x}}{3 a}+\frac {7 i \tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )}{\sqrt {2}}-\frac {7 i \tan ^{-1}\left (1+\frac {\sqrt {2} \sqrt [4]{a-i a x}}{\sqrt [4]{a+i a x}}\right )}{\sqrt {2}}-\frac {7 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 {7 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}}\\ \end {align*}
________________________________________________________________________________________
Mathematica [C] time = 0.03, size = 70, normalized size = 0.24 \begin {gather*} \frac {i \sqrt [4]{2} (1+i x)^{3/4} (a-i a x)^{11/4} \, _2F_1\left (\frac {7}{4},\frac {11}{4};\frac {15}{4};\frac {1}{2}-\frac {i x}{2}\right )}{11 a^2 (a+i a x)^{3/4}} \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
IntegrateAlgebraic [A] time = 0.90, size = 150, normalized size = 0.52 \begin {gather*} -\frac {(-1)^{3/4} (x-i)^{7/4} (a-i a x)^{7/4} \left (\frac {3 \sqrt [4]{-1} (x+i)^{7/4}-14 (-1)^{3/4} (x+i)^{3/4}}{3 (x-i)^{3/4}}-7 (-1)^{3/4} \tan ^{-1}\left (\frac {\sqrt [4]{x+i}}{\sqrt [4]{x-i}}\right )+7 (-1)^{3/4} \tanh ^{-1}\left (\frac {\sqrt [4]{x+i}}{\sqrt [4]{x-i}}\right )\right )}{(x+i)^{7/4} (a+i a x)^{7/4}} \end {gather*}
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
fricas [A] time = 1.43, size = 244, normalized size = 0.84 \begin {gather*} -\frac {\sqrt {49 i} {\left (3 \, a x - 3 i \, a\right )} \log \left (\frac {\sqrt {49 i} {\left (a x + i \, a\right )} + 7 \, {\left (i \, a x + a\right )}^{\frac {1}{4}} {\left (-i \, a x + a\right )}^{\frac {3}{4}}}{7 \, x + 7 i}\right ) - \sqrt {49 i} {\left (3 \, a x - 3 i \, a\right )} \log \left (-\frac {\sqrt {49 i} {\left (a x + i \, a\right )} - 7 \, {\left (i \, a x + a\right )}^{\frac {1}{4}} {\left (-i \, a x + a\right )}^{\frac {3}{4}}}{7 \, x + 7 i}\right ) + \sqrt {-49 i} {\left (3 \, a x - 3 i \, a\right )} \log \left (\frac {\sqrt {-49 i} {\left (a x + i \, a\right )} + 7 \, {\left (i \, a x + a\right )}^{\frac {1}{4}} {\left (-i \, a x + a\right )}^{\frac {3}{4}}}{7 \, x + 7 i}\right ) - \sqrt {-49 i} {\left (3 \, a x - 3 i \, a\right )} \log \left (-\frac {\sqrt {-49 i} {\left (a x + i \, a\right )} - 7 \, {\left (i \, a x + a\right )}^{\frac {1}{4}} {\left (-i \, a x + a\right )}^{\frac {3}{4}}}{7 \, x + 7 i}\right ) + 2 \, {\left (i \, a x + a\right )}^{\frac {1}{4}} {\left (-i \, a x + a\right )}^{\frac {3}{4}} {\left (-3 i \, x - 11\right )}}{6 \, a x - 6 i \, a} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
giac [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: RuntimeError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maple [C] time = 2.01, size = 469, normalized size = 1.61 \begin {gather*} \frac {i \left (3 x^{2}-8 i x +11\right ) a}{3 \left (\left (i x +1\right ) a \right )^{\frac {3}{4}} \left (-\left (i x -1\right ) a \right )^{\frac {1}{4}}}+\frac {\left (-\frac {7 \RootOf \left (\textit {\_Z}^{2}-i\right ) \ln \left (\frac {-x^{3}-\left (-x^{4}+2 i x^{3}+2 i x +1\right )^{\frac {1}{4}} x^{2} \RootOf \left (\textit {\_Z}^{2}-i\right )+2 i x^{2}+2 i \left (-x^{4}+2 i x^{3}+2 i x +1\right )^{\frac {1}{4}} x \RootOf \left (\textit {\_Z}^{2}-i\right )-i \sqrt {-x^{4}+2 i x^{3}+2 i x +1}\, x +x -i \left (-x^{4}+2 i x^{3}+2 i x +1\right )^{\frac {3}{4}} \RootOf \left (\textit {\_Z}^{2}-i\right )+\left (-x^{4}+2 i x^{3}+2 i x +1\right )^{\frac {1}{4}} \RootOf \left (\textit {\_Z}^{2}-i\right )-\sqrt {-x^{4}+2 i x^{3}+2 i x +1}}{\left (i x +1\right )^{2}}\right )}{2}+\frac {7 i \RootOf \left (\textit {\_Z}^{2}-i\right ) \ln \left (-\frac {x^{3}-i \left (-x^{4}+2 i x^{3}+2 i x +1\right )^{\frac {1}{4}} x^{2} \RootOf \left (\textit {\_Z}^{2}-i\right )-2 i x^{2}-2 \left (-x^{4}+2 i x^{3}+2 i x +1\right )^{\frac {1}{4}} x \RootOf \left (\textit {\_Z}^{2}-i\right )-i \sqrt {-x^{4}+2 i x^{3}+2 i x +1}\, x -x -\left (-x^{4}+2 i x^{3}+2 i x +1\right )^{\frac {3}{4}} \RootOf \left (\textit {\_Z}^{2}-i\right )+i \left (-x^{4}+2 i x^{3}+2 i x +1\right )^{\frac {1}{4}} \RootOf \left (\textit {\_Z}^{2}-i\right )-\sqrt {-x^{4}+2 i x^{3}+2 i x +1}}{\left (i x +1\right )^{2}}\right )}{2}\right ) \left (-\left (i x -1\right ) \left (i x +1\right )^{3}\right )^{\frac {1}{4}} a}{\left (\left (i x +1\right ) a \right )^{\frac {3}{4}} \left (-\left (i x -1\right ) a \right )^{\frac {1}{4}}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maxima [F] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {{\left (-i \, a x + a\right )}^{\frac {7}{4}}}{{\left (i \, a x + a\right )}^{\frac {7}{4}}}\,{d x} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
mupad [F] time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} \int \frac {{\left (a-a\,x\,1{}\mathrm {i}\right )}^{7/4}}{{\left (a+a\,x\,1{}\mathrm {i}\right )}^{7/4}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
sympy [F] time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \frac {\left (- i a \left (x + i\right )\right )^{\frac {7}{4}}}{\left (i a \left (x - i\right )\right )^{\frac {7}{4}}}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________