Integrand size = 30, antiderivative size = 83 \[ \int \frac {1}{\sqrt [3]{e \sec (c+d x)} \sqrt {a+i a \tan (c+d x)}} \, dx=-\frac {3 i \operatorname {Hypergeometric2F1}\left (-\frac {1}{6},\frac {5}{3},\frac {5}{6},\frac {1}{2} (1-i \tan (c+d x))\right ) (1+i \tan (c+d x))^{2/3}}{2^{2/3} d \sqrt [3]{e \sec (c+d x)} \sqrt {a+i a \tan (c+d x)}} \]
-3/2*I*hypergeom([-1/6, 5/3],[5/6],1/2-1/2*I*tan(d*x+c))*(1+I*tan(d*x+c))^ (2/3)*2^(1/3)/d/(e*sec(d*x+c))^(1/3)/(a+I*a*tan(d*x+c))^(1/2)
Time = 1.35 (sec) , antiderivative size = 95, normalized size of antiderivative = 1.14 \[ \int \frac {1}{\sqrt [3]{e \sec (c+d x)} \sqrt {a+i a \tan (c+d x)}} \, dx=\frac {12 i-\frac {30 i e^{2 i (c+d x)} \operatorname {Hypergeometric2F1}\left (\frac {1}{6},\frac {1}{3},\frac {4}{3},-e^{2 i (c+d x)}\right )}{\left (1+e^{2 i (c+d x)}\right )^{5/6}}}{16 d \sqrt [3]{e \sec (c+d x)} \sqrt {a+i a \tan (c+d x)}} \]
(12*I - ((30*I)*E^((2*I)*(c + d*x))*Hypergeometric2F1[1/6, 1/3, 4/3, -E^(( 2*I)*(c + d*x))])/(1 + E^((2*I)*(c + d*x)))^(5/6))/(16*d*(e*Sec[c + d*x])^ (1/3)*Sqrt[a + I*a*Tan[c + d*x]])
Time = 0.47 (sec) , antiderivative size = 83, normalized size of antiderivative = 1.00, number of steps used = 8, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.233, 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.
\(\displaystyle \int \frac {1}{\sqrt {a+i a \tan (c+d x)} \sqrt [3]{e \sec (c+d x)}} \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int \frac {1}{\sqrt {a+i a \tan (c+d x)} \sqrt [3]{e \sec (c+d x)}}dx\) |
\(\Big \downarrow \) 3986 |
\(\displaystyle \frac {\sqrt [6]{a-i a \tan (c+d x)} \sqrt [6]{a+i a \tan (c+d x)} \int \frac {1}{\sqrt [6]{a-i a \tan (c+d x)} (i \tan (c+d x) a+a)^{2/3}}dx}{\sqrt [3]{e \sec (c+d x)}}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \frac {\sqrt [6]{a-i a \tan (c+d x)} \sqrt [6]{a+i a \tan (c+d x)} \int \frac {1}{\sqrt [6]{a-i a \tan (c+d x)} (i \tan (c+d x) a+a)^{2/3}}dx}{\sqrt [3]{e \sec (c+d x)}}\) |
\(\Big \downarrow \) 4006 |
\(\displaystyle \frac {a^2 \sqrt [6]{a-i a \tan (c+d x)} \sqrt [6]{a+i a \tan (c+d x)} \int \frac {1}{(a-i a \tan (c+d x))^{7/6} (i \tan (c+d x) a+a)^{5/3}}d\tan (c+d x)}{d \sqrt [3]{e \sec (c+d x)}}\) |
\(\Big \downarrow \) 80 |
\(\displaystyle \frac {a (1+i \tan (c+d x))^{2/3} \sqrt [6]{a-i a \tan (c+d x)} \int \frac {2\ 2^{2/3}}{(i \tan (c+d x)+1)^{5/3} (a-i a \tan (c+d x))^{7/6}}d\tan (c+d x)}{2\ 2^{2/3} d \sqrt {a+i a \tan (c+d x)} \sqrt [3]{e \sec (c+d x)}}\) |
\(\Big \downarrow \) 27 |
\(\displaystyle \frac {a (1+i \tan (c+d x))^{2/3} \sqrt [6]{a-i a \tan (c+d x)} \int \frac {1}{(i \tan (c+d x)+1)^{5/3} (a-i a \tan (c+d x))^{7/6}}d\tan (c+d x)}{d \sqrt {a+i a \tan (c+d x)} \sqrt [3]{e \sec (c+d x)}}\) |
\(\Big \downarrow \) 79 |
\(\displaystyle -\frac {3 i (1+i \tan (c+d x))^{2/3} \operatorname {Hypergeometric2F1}\left (-\frac {1}{6},\frac {5}{3},\frac {5}{6},\frac {1}{2} (1-i \tan (c+d x))\right )}{2^{2/3} d \sqrt {a+i a \tan (c+d x)} \sqrt [3]{e \sec (c+d x)}}\) |
((-3*I)*Hypergeometric2F1[-1/6, 5/3, 5/6, (1 - I*Tan[c + d*x])/2]*(1 + I*T an[c + d*x])^(2/3))/(2^(2/3)*d*(e*Sec[c + d*x])^(1/3)*Sqrt[a + I*a*Tan[c + d*x]])
3.5.41.3.1 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]
\[\int \frac {1}{\left (e \sec \left (d x +c \right )\right )^{\frac {1}{3}} \sqrt {a +i a \tan \left (d x +c \right )}}d x\]
\[ \int \frac {1}{\sqrt [3]{e \sec (c+d x)} \sqrt {a+i a \tan (c+d x)}} \, dx=\int { \frac {1}{\left (e \sec \left (d x + c\right )\right )^{\frac {1}{3}} \sqrt {i \, a \tan \left (d x + c\right ) + a}} \,d x } \]
-1/8*(3*2^(1/6)*sqrt(a/(e^(2*I*d*x + 2*I*c) + 1))*(e/(e^(2*I*d*x + 2*I*c) + 1))^(2/3)*(4*I*e^(6*I*d*x + 6*I*c) + 9*I*e^(4*I*d*x + 4*I*c) + 6*I*e^(2* I*d*x + 2*I*c) + I)*e^(2/3*I*d*x + 2/3*I*c) - 8*(a*d*e*e^(4*I*d*x + 4*I*c) - a*d*e*e^(2*I*d*x + 2*I*c))*integral(-15/16*2^(1/6)*sqrt(a/(e^(2*I*d*x + 2*I*c) + 1))*(e/(e^(2*I*d*x + 2*I*c) + 1))^(2/3)*(3*I*e^(4*I*d*x + 4*I*c) + 4*I*e^(2*I*d*x + 2*I*c) + I)*e^(2/3*I*d*x + 2/3*I*c)/(a*d*e*e^(6*I*d*x + 6*I*c) - 2*a*d*e*e^(4*I*d*x + 4*I*c) + a*d*e*e^(2*I*d*x + 2*I*c)), x))/( a*d*e*e^(4*I*d*x + 4*I*c) - a*d*e*e^(2*I*d*x + 2*I*c))
\[ \int \frac {1}{\sqrt [3]{e \sec (c+d x)} \sqrt {a+i a \tan (c+d x)}} \, dx=\int \frac {1}{\sqrt [3]{e \sec {\left (c + d x \right )}} \sqrt {i a \left (\tan {\left (c + d x \right )} - i\right )}}\, dx \]
\[ \int \frac {1}{\sqrt [3]{e \sec (c+d x)} \sqrt {a+i a \tan (c+d x)}} \, dx=\int { \frac {1}{\left (e \sec \left (d x + c\right )\right )^{\frac {1}{3}} \sqrt {i \, a \tan \left (d x + c\right ) + a}} \,d x } \]
\[ \int \frac {1}{\sqrt [3]{e \sec (c+d x)} \sqrt {a+i a \tan (c+d x)}} \, dx=\int { \frac {1}{\left (e \sec \left (d x + c\right )\right )^{\frac {1}{3}} \sqrt {i \, a \tan \left (d x + c\right ) + a}} \,d x } \]
Timed out. \[ \int \frac {1}{\sqrt [3]{e \sec (c+d x)} \sqrt {a+i a \tan (c+d x)}} \, dx=\int \frac {1}{{\left (\frac {e}{\cos \left (c+d\,x\right )}\right )}^{1/3}\,\sqrt {a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}}} \,d x \]