Integrand size = 28, antiderivative size = 65 \[ \int \frac {e^{-5 i \arctan (a x)} x^2}{\left (c+a^2 c x^2\right )^{27/2}} \, dx=\frac {(i-5 a x) \sqrt {1+a^2 x^2}}{120 a^3 c^{13} (1-i a x)^{10} (1+i a x)^{15} \sqrt {c+a^2 c x^2}} \] Output:
1/120*(I-5*a*x)*(a^2*x^2+1)^(1/2)/a^3/c^13/(1-I*a*x)^10/(1+I*a*x)^15/(a^2* c*x^2+c)^(1/2)
Time = 0.61 (sec) , antiderivative size = 63, normalized size of antiderivative = 0.97 \[ \int \frac {e^{-5 i \arctan (a x)} x^2}{\left (c+a^2 c x^2\right )^{27/2}} \, dx=\frac {(1+5 i a x) \sqrt {1+a^2 x^2}}{120 a^3 c^{13} (-i+a x)^{15} (i+a x)^{10} \sqrt {c+a^2 c x^2}} \] Input:
Integrate[x^2/(E^((5*I)*ArcTan[a*x])*(c + a^2*c*x^2)^(27/2)),x]
Output:
((1 + (5*I)*a*x)*Sqrt[1 + a^2*x^2])/(120*a^3*c^13*(-I + a*x)^15*(I + a*x)^ 10*Sqrt[c + a^2*c*x^2])
Time = 0.74 (sec) , antiderivative size = 65, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.107, Rules used = {5608, 5605, 91}
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.
| \(\displaystyle \int \frac {x^2 e^{-5 i \arctan (a x)}}{\left (a^2 c x^2+c\right )^{27/2}} \, dx\) |
| \(\Big \downarrow \) 5608 |
| \(\displaystyle \frac {\sqrt {a^2 x^2+1} \int \frac {e^{-5 i \arctan (a x)} x^2}{\left (a^2 x^2+1\right )^{27/2}}dx}{c^{13} \sqrt {a^2 c x^2+c}}\) |
| \(\Big \downarrow \) 5605 |
| \(\displaystyle \frac {\sqrt {a^2 x^2+1} \int \frac {x^2}{(1-i a x)^{11} (i a x+1)^{16}}dx}{c^{13} \sqrt {a^2 c x^2+c}}\) |
| \(\Big \downarrow \) 91 |
| \(\displaystyle \frac {(-5 a x+i) \sqrt {a^2 x^2+1}}{120 a^3 c^{13} (1-i a x)^{10} (1+i a x)^{15} \sqrt {a^2 c x^2+c}}\) |
Input:
Int[x^2/(E^((5*I)*ArcTan[a*x])*(c + a^2*c*x^2)^(27/2)),x]
Output:
((I - 5*a*x)*Sqrt[1 + a^2*x^2])/(120*a^3*c^13*(1 - I*a*x)^10*(1 + I*a*x)^1 5*Sqrt[c + a^2*c*x^2])
Int[((a_.) + (b_.)*(x_))^2*((c_.) + (d_.)*(x_))^(n_)*((e_.) + (f_.)*(x_))^( p_), x_] :> Simp[b*(c + d*x)^(n + 1)*(e + f*x)^(p + 1)*((2*a*d*f*(n + p + 3 ) - b*(d*e*(n + 2) + c*f*(p + 2)) + b*d*f*(n + p + 2)*x)/(d^2*f^2*(n + p + 2)*(n + p + 3))), x] /; FreeQ[{a, b, c, d, e, f, n, p}, x] && NeQ[n + p + 2 , 0] && NeQ[n + p + 3, 0] && EqQ[d*f*(n + p + 2)*(a^2*d*f*(n + p + 3) - b*( b*c*e + a*(d*e*(n + 1) + c*f*(p + 1)))) - b*(d*e*(n + 1) + c*f*(p + 1))*(a* d*f*(n + p + 4) - b*(d*e*(n + 2) + c*f*(p + 2))), 0]
Int[E^(ArcTan[(a_.)*(x_)]*(n_.))*(x_)^(m_.)*((c_) + (d_.)*(x_)^2)^(p_.), x_ Symbol] :> Simp[c^p Int[x^m*(1 - I*a*x)^(p + I*(n/2))*(1 + I*a*x)^(p - I* (n/2)), x], x] /; FreeQ[{a, c, d, m, n, p}, x] && EqQ[d, a^2*c] && (Integer Q[p] || GtQ[c, 0])
Int[E^(ArcTan[(a_.)*(x_)]*(n_.))*(x_)^(m_.)*((c_) + (d_.)*(x_)^2)^(p_), x_S ymbol] :> Simp[c^IntPart[p]*((c + d*x^2)^FracPart[p]/(1 + a^2*x^2)^FracPart [p]) Int[x^m*(1 + a^2*x^2)^p*E^(n*ArcTan[a*x]), x], x] /; FreeQ[{a, c, d, m, n, p}, x] && EqQ[d, a^2*c] && !(IntegerQ[p] || GtQ[c, 0])
Time = 0.36 (sec) , antiderivative size = 50, normalized size of antiderivative = 0.77
| method | result | size |
| risch | \(\frac {\frac {i x}{24 a^{2}}+\frac {1}{120 a^{3}}}{c^{13} \left (a^{2} x^{2}+1\right )^{\frac {19}{2}} \sqrt {c \left (a^{2} x^{2}+1\right )}\, \left (a x -i\right )^{5}}\) | \(50\) |
| default | \(-\frac {\sqrt {c \left (a^{2} x^{2}+1\right )}\, \left (5 i a x +1\right )}{120 \sqrt {a^{2} x^{2}+1}\, c^{14} a^{3} \left (-a x +i\right )^{15} \left (a x +i\right )^{10}}\) | \(57\) |
| gosper | \(-\frac {\left (-a x +i\right ) \left (a x +i\right ) \left (-5 a x +i\right ) \left (a^{2} x^{2}+1\right )^{\frac {5}{2}}}{120 a^{3} \left (i a x +1\right )^{5} \left (a^{2} c \,x^{2}+c \right )^{\frac {27}{2}}}\) | \(58\) |
| orering | \(-\frac {x^{3} \left (-a^{22} x^{22}+5 i a^{21} x^{21}+40 i a^{19} x^{19}+50 a^{18} x^{18}+126 i a^{17} x^{17}+280 a^{16} x^{16}+160 i a^{15} x^{15}+765 a^{14} x^{14}-105 i a^{13} x^{13}+1248 a^{12} x^{12}-720 i a^{11} x^{11}+1260 a^{10} x^{10}-1260 i a^{9} x^{9}+720 a^{8} x^{8}-1248 i a^{7} x^{7}+105 x^{6} a^{6}-765 i x^{5} a^{5}-160 a^{4} x^{4}-280 i x^{3} a^{3}-126 a^{2} x^{2}-50 i a x -40\right ) \left (a^{2} x^{2}+1\right )^{\frac {7}{2}}}{120 \left (i a x +1\right )^{5} \left (a^{2} c \,x^{2}+c \right )^{\frac {27}{2}}}\) | \(215\) |
Input:
int(x^2/(1+I*a*x)^5*(a^2*x^2+1)^(5/2)/(a^2*c*x^2+c)^(27/2),x,method=_RETUR NVERBOSE)
Output:
1/c^13/(a^2*x^2+1)^(19/2)/(c*(a^2*x^2+1))^(1/2)*(1/24*I/a^2*x+1/120/a^3)/( a*x-I)^5
Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 496 vs. \(2 (53) = 106\).
Time = 0.19 (sec) , antiderivative size = 496, normalized size of antiderivative = 7.63 \[ \int \frac {e^{-5 i \arctan (a x)} x^2}{\left (c+a^2 c x^2\right )^{27/2}} \, dx=\frac {{\left (-i \, a^{22} x^{25} - 5 \, a^{21} x^{24} - 40 \, a^{19} x^{22} + 50 i \, a^{18} x^{21} - 126 \, a^{17} x^{20} + 280 i \, a^{16} x^{19} - 160 \, a^{15} x^{18} + 765 i \, a^{14} x^{17} + 105 \, a^{13} x^{16} + 1248 i \, a^{12} x^{15} + 720 \, a^{11} x^{14} + 1260 i \, a^{10} x^{13} + 1260 \, a^{9} x^{12} + 720 i \, a^{8} x^{11} + 1248 \, a^{7} x^{10} + 105 i \, a^{6} x^{9} + 765 \, a^{5} x^{8} - 160 i \, a^{4} x^{7} + 280 \, a^{3} x^{6} - 126 i \, a^{2} x^{5} + 50 \, a x^{4} - 40 i \, x^{3}\right )} \sqrt {a^{2} c x^{2} + c} \sqrt {a^{2} x^{2} + 1}}{120 \, {\left (a^{27} c^{14} x^{27} - 5 i \, a^{26} c^{14} x^{26} + a^{25} c^{14} x^{25} - 45 i \, a^{24} c^{14} x^{24} - 50 \, a^{23} c^{14} x^{23} - 166 i \, a^{22} c^{14} x^{22} - 330 \, a^{21} c^{14} x^{21} - 286 i \, a^{20} c^{14} x^{20} - 1045 \, a^{19} c^{14} x^{19} - 55 i \, a^{18} c^{14} x^{18} - 2013 \, a^{17} c^{14} x^{17} + 825 i \, a^{16} c^{14} x^{16} - 2508 \, a^{15} c^{14} x^{15} + 1980 i \, a^{14} c^{14} x^{14} - 1980 \, a^{13} c^{14} x^{13} + 2508 i \, a^{12} c^{14} x^{12} - 825 \, a^{11} c^{14} x^{11} + 2013 i \, a^{10} c^{14} x^{10} + 55 \, a^{9} c^{14} x^{9} + 1045 i \, a^{8} c^{14} x^{8} + 286 \, a^{7} c^{14} x^{7} + 330 i \, a^{6} c^{14} x^{6} + 166 \, a^{5} c^{14} x^{5} + 50 i \, a^{4} c^{14} x^{4} + 45 \, a^{3} c^{14} x^{3} - i \, a^{2} c^{14} x^{2} + 5 \, a c^{14} x - i \, c^{14}\right )}} \] Input:
integrate(x^2/(1+I*a*x)^5*(a^2*x^2+1)^(5/2)/(a^2*c*x^2+c)^(27/2),x, algori thm="fricas")
Output:
1/120*(-I*a^22*x^25 - 5*a^21*x^24 - 40*a^19*x^22 + 50*I*a^18*x^21 - 126*a^ 17*x^20 + 280*I*a^16*x^19 - 160*a^15*x^18 + 765*I*a^14*x^17 + 105*a^13*x^1 6 + 1248*I*a^12*x^15 + 720*a^11*x^14 + 1260*I*a^10*x^13 + 1260*a^9*x^12 + 720*I*a^8*x^11 + 1248*a^7*x^10 + 105*I*a^6*x^9 + 765*a^5*x^8 - 160*I*a^4*x ^7 + 280*a^3*x^6 - 126*I*a^2*x^5 + 50*a*x^4 - 40*I*x^3)*sqrt(a^2*c*x^2 + c )*sqrt(a^2*x^2 + 1)/(a^27*c^14*x^27 - 5*I*a^26*c^14*x^26 + a^25*c^14*x^25 - 45*I*a^24*c^14*x^24 - 50*a^23*c^14*x^23 - 166*I*a^22*c^14*x^22 - 330*a^2 1*c^14*x^21 - 286*I*a^20*c^14*x^20 - 1045*a^19*c^14*x^19 - 55*I*a^18*c^14* x^18 - 2013*a^17*c^14*x^17 + 825*I*a^16*c^14*x^16 - 2508*a^15*c^14*x^15 + 1980*I*a^14*c^14*x^14 - 1980*a^13*c^14*x^13 + 2508*I*a^12*c^14*x^12 - 825* a^11*c^14*x^11 + 2013*I*a^10*c^14*x^10 + 55*a^9*c^14*x^9 + 1045*I*a^8*c^14 *x^8 + 286*a^7*c^14*x^7 + 330*I*a^6*c^14*x^6 + 166*a^5*c^14*x^5 + 50*I*a^4 *c^14*x^4 + 45*a^3*c^14*x^3 - I*a^2*c^14*x^2 + 5*a*c^14*x - I*c^14)
Timed out. \[ \int \frac {e^{-5 i \arctan (a x)} x^2}{\left (c+a^2 c x^2\right )^{27/2}} \, dx=\text {Timed out} \] Input:
integrate(x**2/(1+I*a*x)**5*(a**2*x**2+1)**(5/2)/(a**2*c*x**2+c)**(27/2),x )
Output:
Timed out
Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 274 vs. \(2 (53) = 106\).
Time = 0.12 (sec) , antiderivative size = 274, normalized size of antiderivative = 4.22 \[ \int \frac {e^{-5 i \arctan (a x)} x^2}{\left (c+a^2 c x^2\right )^{27/2}} \, dx=\frac {5 i \, a \sqrt {c} x + \sqrt {c}}{120 \, {\left (a^{28} c^{14} x^{25} - 5 i \, a^{27} c^{14} x^{24} - 40 i \, a^{25} c^{14} x^{22} - 50 \, a^{24} c^{14} x^{21} - 126 i \, a^{23} c^{14} x^{20} - 280 \, a^{22} c^{14} x^{19} - 160 i \, a^{21} c^{14} x^{18} - 765 \, a^{20} c^{14} x^{17} + 105 i \, a^{19} c^{14} x^{16} - 1248 \, a^{18} c^{14} x^{15} + 720 i \, a^{17} c^{14} x^{14} - 1260 \, a^{16} c^{14} x^{13} + 1260 i \, a^{15} c^{14} x^{12} - 720 \, a^{14} c^{14} x^{11} + 1248 i \, a^{13} c^{14} x^{10} - 105 \, a^{12} c^{14} x^{9} + 765 i \, a^{11} c^{14} x^{8} + 160 \, a^{10} c^{14} x^{7} + 280 i \, a^{9} c^{14} x^{6} + 126 \, a^{8} c^{14} x^{5} + 50 i \, a^{7} c^{14} x^{4} + 40 \, a^{6} c^{14} x^{3} + 5 \, a^{4} c^{14} x - i \, a^{3} c^{14}\right )}} \] Input:
integrate(x^2/(1+I*a*x)^5*(a^2*x^2+1)^(5/2)/(a^2*c*x^2+c)^(27/2),x, algori thm="maxima")
Output:
1/120*(5*I*a*sqrt(c)*x + sqrt(c))/(a^28*c^14*x^25 - 5*I*a^27*c^14*x^24 - 4 0*I*a^25*c^14*x^22 - 50*a^24*c^14*x^21 - 126*I*a^23*c^14*x^20 - 280*a^22*c ^14*x^19 - 160*I*a^21*c^14*x^18 - 765*a^20*c^14*x^17 + 105*I*a^19*c^14*x^1 6 - 1248*a^18*c^14*x^15 + 720*I*a^17*c^14*x^14 - 1260*a^16*c^14*x^13 + 126 0*I*a^15*c^14*x^12 - 720*a^14*c^14*x^11 + 1248*I*a^13*c^14*x^10 - 105*a^12 *c^14*x^9 + 765*I*a^11*c^14*x^8 + 160*a^10*c^14*x^7 + 280*I*a^9*c^14*x^6 + 126*a^8*c^14*x^5 + 50*I*a^7*c^14*x^4 + 40*a^6*c^14*x^3 + 5*a^4*c^14*x - I *a^3*c^14)
Exception generated. \[ \int \frac {e^{-5 i \arctan (a x)} x^2}{\left (c+a^2 c x^2\right )^{27/2}} \, dx=\text {Exception raised: TypeError} \] Input:
integrate(x^2/(1+I*a*x)^5*(a^2*x^2+1)^(5/2)/(a^2*c*x^2+c)^(27/2),x, algori thm="giac")
Output:
Exception raised: TypeError >> an error occurred running a Giac command:IN PUT:sage2:=int(sage0,sageVARx):;OUTPUT:Warning, need to choose a branch fo r the root of a polynomial with parameters. This might be wrong.The choice was done
Time = 27.20 (sec) , antiderivative size = 47, normalized size of antiderivative = 0.72 \[ \int \frac {e^{-5 i \arctan (a x)} x^2}{\left (c+a^2 c x^2\right )^{27/2}} \, dx=\frac {c^2\,\sqrt {a^2\,x^2+1}\,{\left (a\,x+1{}\mathrm {i}\right )}^5\,\left (1+a\,x\,5{}\mathrm {i}\right )}{120\,a^3\,{\left (c\,\left (a^2\,x^2+1\right )\right )}^{31/2}} \] Input:
int((x^2*(a^2*x^2 + 1)^(5/2))/((c + a^2*c*x^2)^(27/2)*(a*x*1i + 1)^5),x)
Output:
(c^2*(a^2*x^2 + 1)^(1/2)*(a*x + 1i)^5*(a*x*5i + 1))/(120*a^3*(c*(a^2*x^2 + 1))^(31/2))
\[ \int \frac {e^{-5 i \arctan (a x)} x^2}{\left (c+a^2 c x^2\right )^{27/2}} \, dx=\frac {\sqrt {c}\, \left (\int \frac {x^{2}}{a^{27} i \,x^{27}+5 a^{26} x^{26}+a^{25} i \,x^{25}+45 a^{24} x^{24}-50 a^{23} i \,x^{23}+166 a^{22} x^{22}-330 a^{21} i \,x^{21}+286 a^{20} x^{20}-1045 a^{19} i \,x^{19}+55 a^{18} x^{18}-2013 a^{17} i \,x^{17}-825 a^{16} x^{16}-2508 a^{15} i \,x^{15}-1980 a^{14} x^{14}-1980 a^{13} i \,x^{13}-2508 a^{12} x^{12}-825 a^{11} i \,x^{11}-2013 a^{10} x^{10}+55 a^{9} i \,x^{9}-1045 a^{8} x^{8}+286 a^{7} i \,x^{7}-330 a^{6} x^{6}+166 a^{5} i \,x^{5}-50 a^{4} x^{4}+45 a^{3} i \,x^{3}+a^{2} x^{2}+5 a i x +1}d x \right )}{c^{14}} \] Input:
int(x^2/(1+I*a*x)^5*(a^2*x^2+1)^(5/2)/(a^2*c*x^2+c)^(27/2),x)
Output:
(sqrt(c)*int(x**2/(a**27*i*x**27 + 5*a**26*x**26 + a**25*i*x**25 + 45*a**2 4*x**24 - 50*a**23*i*x**23 + 166*a**22*x**22 - 330*a**21*i*x**21 + 286*a** 20*x**20 - 1045*a**19*i*x**19 + 55*a**18*x**18 - 2013*a**17*i*x**17 - 825* a**16*x**16 - 2508*a**15*i*x**15 - 1980*a**14*x**14 - 1980*a**13*i*x**13 - 2508*a**12*x**12 - 825*a**11*i*x**11 - 2013*a**10*x**10 + 55*a**9*i*x**9 - 1045*a**8*x**8 + 286*a**7*i*x**7 - 330*a**6*x**6 + 166*a**5*i*x**5 - 50* a**4*x**4 + 45*a**3*i*x**3 + a**2*x**2 + 5*a*i*x + 1),x))/c**14