Integrand size = 26, antiderivative size = 67 \[ \int \frac {a+i a \tan (e+f x)}{\sqrt [3]{d \sec (e+f x)}} \, dx=-\frac {3 i 2^{5/6} a \operatorname {Hypergeometric2F1}\left (-\frac {1}{6},\frac {1}{6},\frac {5}{6},\frac {1}{2} (1-i \tan (e+f x))\right ) \sqrt [6]{1+i \tan (e+f x)}}{f \sqrt [3]{d \sec (e+f x)}} \]
-3*I*2^(5/6)*a*hypergeom([-1/6, 1/6],[5/6],1/2-1/2*I*tan(f*x+e))*(1+I*tan( f*x+e))^(1/6)/f/(d*sec(f*x+e))^(1/3)
Time = 0.15 (sec) , antiderivative size = 61, normalized size of antiderivative = 0.91 \[ \int \frac {a+i a \tan (e+f x)}{\sqrt [3]{d \sec (e+f x)}} \, dx=-\frac {3 a \left (i+\cot (e+f x) \operatorname {Hypergeometric2F1}\left (-\frac {1}{6},\frac {1}{2},\frac {5}{6},\sec ^2(e+f x)\right ) \sqrt {-\tan ^2(e+f x)}\right )}{f \sqrt [3]{d \sec (e+f x)}} \]
(-3*a*(I + Cot[e + f*x]*Hypergeometric2F1[-1/6, 1/2, 5/6, Sec[e + f*x]^2]* Sqrt[-Tan[e + f*x]^2]))/(f*(d*Sec[e + f*x])^(1/3))
Time = 0.46 (sec) , antiderivative size = 67, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.269, Rules used = {3042, 3986, 3042, 4006, 80, 27, 79}
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.
\(\displaystyle \int \frac {a+i a \tan (e+f x)}{\sqrt [3]{d \sec (e+f x)}} \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int \frac {a+i a \tan (e+f x)}{\sqrt [3]{d \sec (e+f x)}}dx\) |
\(\Big \downarrow \) 3986 |
\(\displaystyle \frac {\sqrt [6]{a-i a \tan (e+f x)} \sqrt [6]{a+i a \tan (e+f x)} \int \frac {(i \tan (e+f x) a+a)^{5/6}}{\sqrt [6]{a-i a \tan (e+f x)}}dx}{\sqrt [3]{d \sec (e+f x)}}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \frac {\sqrt [6]{a-i a \tan (e+f x)} \sqrt [6]{a+i a \tan (e+f x)} \int \frac {(i \tan (e+f x) a+a)^{5/6}}{\sqrt [6]{a-i a \tan (e+f x)}}dx}{\sqrt [3]{d \sec (e+f x)}}\) |
\(\Big \downarrow \) 4006 |
\(\displaystyle \frac {a^2 \sqrt [6]{a-i a \tan (e+f x)} \sqrt [6]{a+i a \tan (e+f x)} \int \frac {1}{(a-i a \tan (e+f x))^{7/6} \sqrt [6]{i \tan (e+f x) a+a}}d\tan (e+f x)}{f \sqrt [3]{d \sec (e+f x)}}\) |
\(\Big \downarrow \) 80 |
\(\displaystyle \frac {a^2 \sqrt [6]{1+i \tan (e+f x)} \sqrt [6]{a-i a \tan (e+f x)} \int \frac {\sqrt [6]{2}}{\sqrt [6]{i \tan (e+f x)+1} (a-i a \tan (e+f x))^{7/6}}d\tan (e+f x)}{\sqrt [6]{2} f \sqrt [3]{d \sec (e+f x)}}\) |
\(\Big \downarrow \) 27 |
\(\displaystyle \frac {a^2 \sqrt [6]{1+i \tan (e+f x)} \sqrt [6]{a-i a \tan (e+f x)} \int \frac {1}{\sqrt [6]{i \tan (e+f x)+1} (a-i a \tan (e+f x))^{7/6}}d\tan (e+f x)}{f \sqrt [3]{d \sec (e+f x)}}\) |
\(\Big \downarrow \) 79 |
\(\displaystyle -\frac {3 i 2^{5/6} a \sqrt [6]{1+i \tan (e+f x)} \operatorname {Hypergeometric2F1}\left (-\frac {1}{6},\frac {1}{6},\frac {5}{6},\frac {1}{2} (1-i \tan (e+f x))\right )}{f \sqrt [3]{d \sec (e+f x)}}\) |
((-3*I)*2^(5/6)*a*Hypergeometric2F1[-1/6, 1/6, 5/6, (1 - I*Tan[e + f*x])/2 ]*(1 + I*Tan[e + f*x])^(1/6))/(f*(d*Sec[e + f*x])^(1/3))
3.3.65.3.1 Defintions of rubi rules used
Int[(a_)*(Fx_), x_Symbol] :> Simp[a Int[Fx, x], x] /; FreeQ[a, x] && !Ma tchQ[Fx, (b_)*(Gx_) /; FreeQ[b, x]]
Int[((a_) + (b_.)*(x_))^(m_)*((c_) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[(( a + b*x)^(m + 1)/(b*(m + 1)*(b/(b*c - a*d))^n))*Hypergeometric2F1[-n, m + 1 , m + 2, (-d)*((a + b*x)/(b*c - a*d))], x] /; FreeQ[{a, b, c, d, m, n}, x] && !IntegerQ[m] && !IntegerQ[n] && GtQ[b/(b*c - a*d), 0] && (RationalQ[m] || !(RationalQ[n] && GtQ[-d/(b*c - a*d), 0]))
Int[((a_) + (b_.)*(x_))^(m_)*((c_) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[(c + d*x)^FracPart[n]/((b/(b*c - a*d))^IntPart[n]*(b*((c + d*x)/(b*c - a*d))) ^FracPart[n]) Int[(a + b*x)^m*Simp[b*(c/(b*c - a*d)) + b*d*(x/(b*c - a*d) ), x]^n, x], x] /; FreeQ[{a, b, c, d, m, n}, x] && !IntegerQ[m] && !Integ erQ[n] && (RationalQ[m] || !SimplerQ[n + 1, m + 1])
Int[((d_.)*sec[(e_.) + (f_.)*(x_)])^(m_.)*((a_) + (b_.)*tan[(e_.) + (f_.)*( x_)])^(n_.), x_Symbol] :> Simp[(d*Sec[e + f*x])^m/((a + b*Tan[e + f*x])^(m/ 2)*(a - b*Tan[e + f*x])^(m/2)) Int[(a + b*Tan[e + f*x])^(m/2 + n)*(a - b* Tan[e + f*x])^(m/2), x], x] /; FreeQ[{a, b, d, e, f, m, n}, x] && EqQ[a^2 + b^2, 0]
Int[((a_) + (b_.)*tan[(e_.) + (f_.)*(x_)])^(m_)*((c_) + (d_.)*tan[(e_.) + ( f_.)*(x_)])^(n_), x_Symbol] :> Simp[a*(c/f) Subst[Int[(a + b*x)^(m - 1)*( c + d*x)^(n - 1), x], x, Tan[e + f*x]], x] /; FreeQ[{a, b, c, d, e, f, m, n }, x] && EqQ[b*c + a*d, 0] && EqQ[a^2 + b^2, 0]
\[\int \frac {a +i a \tan \left (f x +e \right )}{\left (d \sec \left (f x +e \right )\right )^{\frac {1}{3}}}d x\]
\[ \int \frac {a+i a \tan (e+f x)}{\sqrt [3]{d \sec (e+f x)}} \, dx=\int { \frac {i \, a \tan \left (f x + e\right ) + a}{\left (d \sec \left (f x + e\right )\right )^{\frac {1}{3}}} \,d x } \]
-(3*2^(2/3)*(I*a*e^(2*I*f*x + 2*I*e) + I*a)*(d/(e^(2*I*f*x + 2*I*e) + 1))^ (2/3)*e^(2/3*I*f*x + 2/3*I*e) - (d*f*e^(I*f*x + I*e) - d*f)*integral(-2*2^ (2/3)*(I*a*e^(2*I*f*x + 2*I*e) + I*a*e^(I*f*x + I*e) + I*a)*(d/(e^(2*I*f*x + 2*I*e) + 1))^(2/3)*e^(2/3*I*f*x + 2/3*I*e)/(d*f*e^(3*I*f*x + 3*I*e) - 2 *d*f*e^(2*I*f*x + 2*I*e) + d*f*e^(I*f*x + I*e)), x))/(d*f*e^(I*f*x + I*e) - d*f)
\[ \int \frac {a+i a \tan (e+f x)}{\sqrt [3]{d \sec (e+f x)}} \, dx=i a \left (\int \left (- \frac {i}{\sqrt [3]{d \sec {\left (e + f x \right )}}}\right )\, dx + \int \frac {\tan {\left (e + f x \right )}}{\sqrt [3]{d \sec {\left (e + f x \right )}}}\, dx\right ) \]
I*a*(Integral(-I/(d*sec(e + f*x))**(1/3), x) + Integral(tan(e + f*x)/(d*se c(e + f*x))**(1/3), x))
\[ \int \frac {a+i a \tan (e+f x)}{\sqrt [3]{d \sec (e+f x)}} \, dx=\int { \frac {i \, a \tan \left (f x + e\right ) + a}{\left (d \sec \left (f x + e\right )\right )^{\frac {1}{3}}} \,d x } \]
\[ \int \frac {a+i a \tan (e+f x)}{\sqrt [3]{d \sec (e+f x)}} \, dx=\int { \frac {i \, a \tan \left (f x + e\right ) + a}{\left (d \sec \left (f x + e\right )\right )^{\frac {1}{3}}} \,d x } \]
Timed out. \[ \int \frac {a+i a \tan (e+f x)}{\sqrt [3]{d \sec (e+f x)}} \, dx=\int \frac {a+a\,\mathrm {tan}\left (e+f\,x\right )\,1{}\mathrm {i}}{{\left (\frac {d}{\cos \left (e+f\,x\right )}\right )}^{1/3}} \,d x \]