3.998 \(\int \frac{\sqrt{c-i c \tan (e+f x)}}{(a+i a \tan (e+f x))^{7/2}} \, dx\)

Optimal. Leaf size=182 \[ \frac{2 i \sqrt{c-i c \tan (e+f x)}}{35 a^3 f \sqrt{a+i a \tan (e+f x)}}+\frac{2 i \sqrt{c-i c \tan (e+f x)}}{35 a^2 f (a+i a \tan (e+f x))^{3/2}}+\frac{3 i \sqrt{c-i c \tan (e+f x)}}{35 a f (a+i a \tan (e+f x))^{5/2}}+\frac{i \sqrt{c-i c \tan (e+f x)}}{7 f (a+i a \tan (e+f x))^{7/2}} \]

[Out]

((I/7)*Sqrt[c - I*c*Tan[e + f*x]])/(f*(a + I*a*Tan[e + f*x])^(7/2)) + (((3*I)/35)*Sqrt[c - I*c*Tan[e + f*x]])/
(a*f*(a + I*a*Tan[e + f*x])^(5/2)) + (((2*I)/35)*Sqrt[c - I*c*Tan[e + f*x]])/(a^2*f*(a + I*a*Tan[e + f*x])^(3/
2)) + (((2*I)/35)*Sqrt[c - I*c*Tan[e + f*x]])/(a^3*f*Sqrt[a + I*a*Tan[e + f*x]])

________________________________________________________________________________________

Rubi [A]  time = 0.155375, antiderivative size = 182, normalized size of antiderivative = 1., number of steps used = 5, number of rules used = 3, integrand size = 35, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.086, Rules used = {3523, 45, 37} \[ \frac{2 i \sqrt{c-i c \tan (e+f x)}}{35 a^3 f \sqrt{a+i a \tan (e+f x)}}+\frac{2 i \sqrt{c-i c \tan (e+f x)}}{35 a^2 f (a+i a \tan (e+f x))^{3/2}}+\frac{3 i \sqrt{c-i c \tan (e+f x)}}{35 a f (a+i a \tan (e+f x))^{5/2}}+\frac{i \sqrt{c-i c \tan (e+f x)}}{7 f (a+i a \tan (e+f x))^{7/2}} \]

Antiderivative was successfully verified.

[In]

Int[Sqrt[c - I*c*Tan[e + f*x]]/(a + I*a*Tan[e + f*x])^(7/2),x]

[Out]

((I/7)*Sqrt[c - I*c*Tan[e + f*x]])/(f*(a + I*a*Tan[e + f*x])^(7/2)) + (((3*I)/35)*Sqrt[c - I*c*Tan[e + f*x]])/
(a*f*(a + I*a*Tan[e + f*x])^(5/2)) + (((2*I)/35)*Sqrt[c - I*c*Tan[e + f*x]])/(a^2*f*(a + I*a*Tan[e + f*x])^(3/
2)) + (((2*I)/35)*Sqrt[c - I*c*Tan[e + f*x]])/(a^3*f*Sqrt[a + I*a*Tan[e + f*x]])

Rule 3523

Int[((a_) + (b_.)*tan[(e_.) + (f_.)*(x_)])^(m_)*((c_) + (d_.)*tan[(e_.) + (f_.)*(x_)])^(n_), x_Symbol] :> Dist
[(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]

Rule 45

Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[((a + b*x)^(m + 1)*(c + d*x)^(n + 1
))/((b*c - a*d)*(m + 1)), x] - Dist[(d*Simplify[m + n + 2])/((b*c - a*d)*(m + 1)), Int[(a + b*x)^Simplify[m +
1]*(c + d*x)^n, x], x] /; FreeQ[{a, b, c, d, m, n}, x] && NeQ[b*c - a*d, 0] && ILtQ[Simplify[m + n + 2], 0] &&
NeQ[m, -1] &&  !(LtQ[m, -1] && LtQ[n, -1] && (EqQ[a, 0] || (NeQ[c, 0] && LtQ[m - n, 0] && IntegerQ[n]))) && (
SumSimplerQ[m, 1] ||  !SumSimplerQ[n, 1])

Rule 37

Int[((a_.) + (b_.)*(x_))^(m_.)*((c_.) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[((a + b*x)^(m + 1)*(c + d*x)^(n +
1))/((b*c - a*d)*(m + 1)), x] /; FreeQ[{a, b, c, d, m, n}, x] && NeQ[b*c - a*d, 0] && EqQ[m + n + 2, 0] && NeQ
[m, -1]

Rubi steps

\begin{align*} \int \frac{\sqrt{c-i c \tan (e+f x)}}{(a+i a \tan (e+f x))^{7/2}} \, dx &=\frac{(a c) \operatorname{Subst}\left (\int \frac{1}{(a+i a x)^{9/2} \sqrt{c-i c x}} \, dx,x,\tan (e+f x)\right )}{f}\\ &=\frac{i \sqrt{c-i c \tan (e+f x)}}{7 f (a+i a \tan (e+f x))^{7/2}}+\frac{(3 c) \operatorname{Subst}\left (\int \frac{1}{(a+i a x)^{7/2} \sqrt{c-i c x}} \, dx,x,\tan (e+f x)\right )}{7 f}\\ &=\frac{i \sqrt{c-i c \tan (e+f x)}}{7 f (a+i a \tan (e+f x))^{7/2}}+\frac{3 i \sqrt{c-i c \tan (e+f x)}}{35 a f (a+i a \tan (e+f x))^{5/2}}+\frac{(6 c) \operatorname{Subst}\left (\int \frac{1}{(a+i a x)^{5/2} \sqrt{c-i c x}} \, dx,x,\tan (e+f x)\right )}{35 a f}\\ &=\frac{i \sqrt{c-i c \tan (e+f x)}}{7 f (a+i a \tan (e+f x))^{7/2}}+\frac{3 i \sqrt{c-i c \tan (e+f x)}}{35 a f (a+i a \tan (e+f x))^{5/2}}+\frac{2 i \sqrt{c-i c \tan (e+f x)}}{35 a^2 f (a+i a \tan (e+f x))^{3/2}}+\frac{(2 c) \operatorname{Subst}\left (\int \frac{1}{(a+i a x)^{3/2} \sqrt{c-i c x}} \, dx,x,\tan (e+f x)\right )}{35 a^2 f}\\ &=\frac{i \sqrt{c-i c \tan (e+f x)}}{7 f (a+i a \tan (e+f x))^{7/2}}+\frac{3 i \sqrt{c-i c \tan (e+f x)}}{35 a f (a+i a \tan (e+f x))^{5/2}}+\frac{2 i \sqrt{c-i c \tan (e+f x)}}{35 a^2 f (a+i a \tan (e+f x))^{3/2}}+\frac{2 i \sqrt{c-i c \tan (e+f x)}}{35 a^3 f \sqrt{a+i a \tan (e+f x)}}\\ \end{align*}

Mathematica [A]  time = 2.75959, size = 105, normalized size = 0.58 \[ -\frac{\sec ^3(e+f x) \sqrt{c-i c \tan (e+f x)} (7 i \sin (e+f x)+15 i \sin (3 (e+f x))+28 \cos (e+f x)+20 \cos (3 (e+f x)))}{140 a^3 f (\tan (e+f x)-i)^3 \sqrt{a+i a \tan (e+f x)}} \]

Antiderivative was successfully verified.

[In]

Integrate[Sqrt[c - I*c*Tan[e + f*x]]/(a + I*a*Tan[e + f*x])^(7/2),x]

[Out]

-(Sec[e + f*x]^3*(28*Cos[e + f*x] + 20*Cos[3*(e + f*x)] + (7*I)*Sin[e + f*x] + (15*I)*Sin[3*(e + f*x)])*Sqrt[c
- I*c*Tan[e + f*x]])/(140*a^3*f*(-I + Tan[e + f*x])^3*Sqrt[a + I*a*Tan[e + f*x]])

________________________________________________________________________________________

Maple [A]  time = 0.08, size = 95, normalized size = 0.5 \begin{align*}{\frac{10\,i \left ( \tan \left ( fx+e \right ) \right ) ^{3}-2\, \left ( \tan \left ( fx+e \right ) \right ) ^{4}-25\,i\tan \left ( fx+e \right ) +21\, \left ( \tan \left ( fx+e \right ) \right ) ^{2}-12}{35\,f{a}^{4} \left ( -\tan \left ( fx+e \right ) +i \right ) ^{5}}\sqrt{-c \left ( -1+i\tan \left ( fx+e \right ) \right ) }\sqrt{a \left ( 1+i\tan \left ( fx+e \right ) \right ) }} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((c-I*c*tan(f*x+e))^(1/2)/(a+I*a*tan(f*x+e))^(7/2),x)

[Out]

1/35/f*(-c*(-1+I*tan(f*x+e)))^(1/2)*(a*(1+I*tan(f*x+e)))^(1/2)/a^4*(10*I*tan(f*x+e)^3-2*tan(f*x+e)^4-25*I*tan(
f*x+e)+21*tan(f*x+e)^2-12)/(-tan(f*x+e)+I)^5

________________________________________________________________________________________

Maxima [F(-2)]  time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: RuntimeError} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((c-I*c*tan(f*x+e))^(1/2)/(a+I*a*tan(f*x+e))^(7/2),x, algorithm="maxima")

[Out]

Exception raised: RuntimeError

________________________________________________________________________________________

Fricas [A]  time = 1.39001, size = 369, normalized size = 2.03 \begin{align*} \frac{\sqrt{\frac{a}{e^{\left (2 i \, f x + 2 i \, e\right )} + 1}} \sqrt{\frac{c}{e^{\left (2 i \, f x + 2 i \, e\right )} + 1}}{\left (-96 i \, e^{\left (9 i \, f x + 9 i \, e\right )} + 35 i \, e^{\left (8 i \, f x + 8 i \, e\right )} - 96 i \, e^{\left (7 i \, f x + 7 i \, e\right )} + 70 i \, e^{\left (6 i \, f x + 6 i \, e\right )} + 56 i \, e^{\left (4 i \, f x + 4 i \, e\right )} + 26 i \, e^{\left (2 i \, f x + 2 i \, e\right )} + 5 i\right )} e^{\left (-7 i \, f x - 7 i \, e\right )}}{280 \, a^{4} f} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((c-I*c*tan(f*x+e))^(1/2)/(a+I*a*tan(f*x+e))^(7/2),x, algorithm="fricas")

[Out]

1/280*sqrt(a/(e^(2*I*f*x + 2*I*e) + 1))*sqrt(c/(e^(2*I*f*x + 2*I*e) + 1))*(-96*I*e^(9*I*f*x + 9*I*e) + 35*I*e^
(8*I*f*x + 8*I*e) - 96*I*e^(7*I*f*x + 7*I*e) + 70*I*e^(6*I*f*x + 6*I*e) + 56*I*e^(4*I*f*x + 4*I*e) + 26*I*e^(2
*I*f*x + 2*I*e) + 5*I)*e^(-7*I*f*x - 7*I*e)/(a^4*f)

________________________________________________________________________________________

Sympy [F(-1)]  time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((c-I*c*tan(f*x+e))**(1/2)/(a+I*a*tan(f*x+e))**(7/2),x)

[Out]

Timed out

________________________________________________________________________________________

Giac [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sqrt{-i \, c \tan \left (f x + e\right ) + c}}{{\left (i \, a \tan \left (f x + e\right ) + a\right )}^{\frac{7}{2}}}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((c-I*c*tan(f*x+e))^(1/2)/(a+I*a*tan(f*x+e))^(7/2),x, algorithm="giac")

[Out]

integrate(sqrt(-I*c*tan(f*x + e) + c)/(I*a*tan(f*x + e) + a)^(7/2), x)