3.1190 \(\int \frac {e^{4 \tanh ^{-1}(a x)}}{(c-a^2 c x^2)^4} \, dx\)

Optimal. Leaf size=122 \[ \frac {5}{64 a c^4 (1-a x)}-\frac {1}{64 a c^4 (a x+1)}+\frac {1}{16 a c^4 (1-a x)^2}+\frac {1}{16 a c^4 (1-a x)^3}+\frac {1}{16 a c^4 (1-a x)^4}+\frac {1}{20 a c^4 (1-a x)^5}+\frac {3 \tanh ^{-1}(a x)}{32 a c^4} \]

[Out]

1/20/a/c^4/(-a*x+1)^5+1/16/a/c^4/(-a*x+1)^4+1/16/a/c^4/(-a*x+1)^3+1/16/a/c^4/(-a*x+1)^2+5/64/a/c^4/(-a*x+1)-1/
64/a/c^4/(a*x+1)+3/32*arctanh(a*x)/a/c^4

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Rubi [A]  time = 0.09, antiderivative size = 122, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, integrand size = 22, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.136, Rules used = {6140, 44, 207} \[ \frac {5}{64 a c^4 (1-a x)}-\frac {1}{64 a c^4 (a x+1)}+\frac {1}{16 a c^4 (1-a x)^2}+\frac {1}{16 a c^4 (1-a x)^3}+\frac {1}{16 a c^4 (1-a x)^4}+\frac {1}{20 a c^4 (1-a x)^5}+\frac {3 \tanh ^{-1}(a x)}{32 a c^4} \]

Antiderivative was successfully verified.

[In]

Int[E^(4*ArcTanh[a*x])/(c - a^2*c*x^2)^4,x]

[Out]

1/(20*a*c^4*(1 - a*x)^5) + 1/(16*a*c^4*(1 - a*x)^4) + 1/(16*a*c^4*(1 - a*x)^3) + 1/(16*a*c^4*(1 - a*x)^2) + 5/
(64*a*c^4*(1 - a*x)) - 1/(64*a*c^4*(1 + a*x)) + (3*ArcTanh[a*x])/(32*a*c^4)

Rule 44

Int[((a_) + (b_.)*(x_))^(m_.)*((c_.) + (d_.)*(x_))^(n_.), x_Symbol] :> Int[ExpandIntegrand[(a + b*x)^m*(c + d*
x)^n, x], x] /; FreeQ[{a, b, c, d}, x] && NeQ[b*c - a*d, 0] && ILtQ[m, 0] && IntegerQ[n] &&  !(IGtQ[n, 0] && L
tQ[m + n + 2, 0])

Rule 207

Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> -Simp[ArcTanh[(Rt[b, 2]*x)/Rt[-a, 2]]/(Rt[-a, 2]*Rt[b, 2]), x] /;
FreeQ[{a, b}, x] && NegQ[a/b] && (LtQ[a, 0] || GtQ[b, 0])

Rule 6140

Int[E^(ArcTanh[(a_.)*(x_)]*(n_.))*((c_) + (d_.)*(x_)^2)^(p_.), x_Symbol] :> Dist[c^p, Int[(1 - a*x)^(p - n/2)*
(1 + a*x)^(p + n/2), x], x] /; FreeQ[{a, c, d, n, p}, x] && EqQ[a^2*c + d, 0] && (IntegerQ[p] || GtQ[c, 0])

Rubi steps

\begin {align*} \int \frac {e^{4 \tanh ^{-1}(a x)}}{\left (c-a^2 c x^2\right )^4} \, dx &=\frac {\int \frac {1}{(1-a x)^6 (1+a x)^2} \, dx}{c^4}\\ &=\frac {\int \left (\frac {1}{4 (-1+a x)^6}-\frac {1}{4 (-1+a x)^5}+\frac {3}{16 (-1+a x)^4}-\frac {1}{8 (-1+a x)^3}+\frac {5}{64 (-1+a x)^2}+\frac {1}{64 (1+a x)^2}-\frac {3}{32 \left (-1+a^2 x^2\right )}\right ) \, dx}{c^4}\\ &=\frac {1}{20 a c^4 (1-a x)^5}+\frac {1}{16 a c^4 (1-a x)^4}+\frac {1}{16 a c^4 (1-a x)^3}+\frac {1}{16 a c^4 (1-a x)^2}+\frac {5}{64 a c^4 (1-a x)}-\frac {1}{64 a c^4 (1+a x)}-\frac {3 \int \frac {1}{-1+a^2 x^2} \, dx}{32 c^4}\\ &=\frac {1}{20 a c^4 (1-a x)^5}+\frac {1}{16 a c^4 (1-a x)^4}+\frac {1}{16 a c^4 (1-a x)^3}+\frac {1}{16 a c^4 (1-a x)^2}+\frac {5}{64 a c^4 (1-a x)}-\frac {1}{64 a c^4 (1+a x)}+\frac {3 \tanh ^{-1}(a x)}{32 a c^4}\\ \end {align*}

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Mathematica [A]  time = 0.06, size = 80, normalized size = 0.66 \[ \frac {-15 a^5 x^5+60 a^4 x^4-80 a^3 x^3+20 a^2 x^2+47 a x+15 (a x-1)^5 (a x+1) \tanh ^{-1}(a x)-48}{160 a c^4 (a x-1)^5 (a x+1)} \]

Antiderivative was successfully verified.

[In]

Integrate[E^(4*ArcTanh[a*x])/(c - a^2*c*x^2)^4,x]

[Out]

(-48 + 47*a*x + 20*a^2*x^2 - 80*a^3*x^3 + 60*a^4*x^4 - 15*a^5*x^5 + 15*(-1 + a*x)^5*(1 + a*x)*ArcTanh[a*x])/(1
60*a*c^4*(-1 + a*x)^5*(1 + a*x))

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fricas [A]  time = 0.75, size = 191, normalized size = 1.57 \[ -\frac {30 \, a^{5} x^{5} - 120 \, a^{4} x^{4} + 160 \, a^{3} x^{3} - 40 \, a^{2} x^{2} - 94 \, a x - 15 \, {\left (a^{6} x^{6} - 4 \, a^{5} x^{5} + 5 \, a^{4} x^{4} - 5 \, a^{2} x^{2} + 4 \, a x - 1\right )} \log \left (a x + 1\right ) + 15 \, {\left (a^{6} x^{6} - 4 \, a^{5} x^{5} + 5 \, a^{4} x^{4} - 5 \, a^{2} x^{2} + 4 \, a x - 1\right )} \log \left (a x - 1\right ) + 96}{320 \, {\left (a^{7} c^{4} x^{6} - 4 \, a^{6} c^{4} x^{5} + 5 \, a^{5} c^{4} x^{4} - 5 \, a^{3} c^{4} x^{2} + 4 \, a^{2} c^{4} x - a c^{4}\right )}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a*x+1)^4/(-a^2*x^2+1)^2/(-a^2*c*x^2+c)^4,x, algorithm="fricas")

[Out]

-1/320*(30*a^5*x^5 - 120*a^4*x^4 + 160*a^3*x^3 - 40*a^2*x^2 - 94*a*x - 15*(a^6*x^6 - 4*a^5*x^5 + 5*a^4*x^4 - 5
*a^2*x^2 + 4*a*x - 1)*log(a*x + 1) + 15*(a^6*x^6 - 4*a^5*x^5 + 5*a^4*x^4 - 5*a^2*x^2 + 4*a*x - 1)*log(a*x - 1)
+ 96)/(a^7*c^4*x^6 - 4*a^6*c^4*x^5 + 5*a^5*c^4*x^4 - 5*a^3*c^4*x^2 + 4*a^2*c^4*x - a*c^4)

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giac [A]  time = 0.18, size = 91, normalized size = 0.75 \[ \frac {3 \, \log \left ({\left | a x + 1 \right |}\right )}{64 \, a c^{4}} - \frac {3 \, \log \left ({\left | a x - 1 \right |}\right )}{64 \, a c^{4}} - \frac {15 \, a^{5} x^{5} - 60 \, a^{4} x^{4} + 80 \, a^{3} x^{3} - 20 \, a^{2} x^{2} - 47 \, a x + 48}{160 \, {\left (a x + 1\right )} {\left (a x - 1\right )}^{5} a c^{4}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a*x+1)^4/(-a^2*x^2+1)^2/(-a^2*c*x^2+c)^4,x, algorithm="giac")

[Out]

3/64*log(abs(a*x + 1))/(a*c^4) - 3/64*log(abs(a*x - 1))/(a*c^4) - 1/160*(15*a^5*x^5 - 60*a^4*x^4 + 80*a^3*x^3
- 20*a^2*x^2 - 47*a*x + 48)/((a*x + 1)*(a*x - 1)^5*a*c^4)

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maple [A]  time = 0.04, size = 120, normalized size = 0.98 \[ -\frac {1}{20 c^{4} a \left (a x -1\right )^{5}}+\frac {1}{16 c^{4} a \left (a x -1\right )^{4}}-\frac {1}{16 c^{4} a \left (a x -1\right )^{3}}+\frac {1}{16 c^{4} a \left (a x -1\right )^{2}}-\frac {5}{64 c^{4} a \left (a x -1\right )}-\frac {3 \ln \left (a x -1\right )}{64 c^{4} a}-\frac {1}{64 a \,c^{4} \left (a x +1\right )}+\frac {3 \ln \left (a x +1\right )}{64 a \,c^{4}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a*x+1)^4/(-a^2*x^2+1)^2/(-a^2*c*x^2+c)^4,x)

[Out]

-1/20/c^4/a/(a*x-1)^5+1/16/c^4/a/(a*x-1)^4-1/16/c^4/a/(a*x-1)^3+1/16/c^4/a/(a*x-1)^2-5/64/c^4/a/(a*x-1)-3/64/c
^4/a*ln(a*x-1)-1/64/a/c^4/(a*x+1)+3/64*ln(a*x+1)/a/c^4

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maxima [A]  time = 0.33, size = 130, normalized size = 1.07 \[ -\frac {15 \, a^{5} x^{5} - 60 \, a^{4} x^{4} + 80 \, a^{3} x^{3} - 20 \, a^{2} x^{2} - 47 \, a x + 48}{160 \, {\left (a^{7} c^{4} x^{6} - 4 \, a^{6} c^{4} x^{5} + 5 \, a^{5} c^{4} x^{4} - 5 \, a^{3} c^{4} x^{2} + 4 \, a^{2} c^{4} x - a c^{4}\right )}} + \frac {3 \, \log \left (a x + 1\right )}{64 \, a c^{4}} - \frac {3 \, \log \left (a x - 1\right )}{64 \, a c^{4}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a*x+1)^4/(-a^2*x^2+1)^2/(-a^2*c*x^2+c)^4,x, algorithm="maxima")

[Out]

-1/160*(15*a^5*x^5 - 60*a^4*x^4 + 80*a^3*x^3 - 20*a^2*x^2 - 47*a*x + 48)/(a^7*c^4*x^6 - 4*a^6*c^4*x^5 + 5*a^5*
c^4*x^4 - 5*a^3*c^4*x^2 + 4*a^2*c^4*x - a*c^4) + 3/64*log(a*x + 1)/(a*c^4) - 3/64*log(a*x - 1)/(a*c^4)

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mupad [B]  time = 0.97, size = 111, normalized size = 0.91 \[ \frac {3\,\mathrm {atanh}\left (a\,x\right )}{32\,a\,c^4}-\frac {\frac {47\,x}{160}+\frac {a\,x^2}{8}-\frac {3}{10\,a}-\frac {a^2\,x^3}{2}+\frac {3\,a^3\,x^4}{8}-\frac {3\,a^4\,x^5}{32}}{-a^6\,c^4\,x^6+4\,a^5\,c^4\,x^5-5\,a^4\,c^4\,x^4+5\,a^2\,c^4\,x^2-4\,a\,c^4\,x+c^4} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((a*x + 1)^4/((c - a^2*c*x^2)^4*(a^2*x^2 - 1)^2),x)

[Out]

(3*atanh(a*x))/(32*a*c^4) - ((47*x)/160 + (a*x^2)/8 - 3/(10*a) - (a^2*x^3)/2 + (3*a^3*x^4)/8 - (3*a^4*x^5)/32)
/(c^4 + 5*a^2*c^4*x^2 - 5*a^4*c^4*x^4 + 4*a^5*c^4*x^5 - a^6*c^4*x^6 - 4*a*c^4*x)

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sympy [A]  time = 0.61, size = 129, normalized size = 1.06 \[ \frac {- 15 a^{5} x^{5} + 60 a^{4} x^{4} - 80 a^{3} x^{3} + 20 a^{2} x^{2} + 47 a x - 48}{160 a^{7} c^{4} x^{6} - 640 a^{6} c^{4} x^{5} + 800 a^{5} c^{4} x^{4} - 800 a^{3} c^{4} x^{2} + 640 a^{2} c^{4} x - 160 a c^{4}} + \frac {- \frac {3 \log {\left (x - \frac {1}{a} \right )}}{64} + \frac {3 \log {\left (x + \frac {1}{a} \right )}}{64}}{a c^{4}} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((a*x+1)**4/(-a**2*x**2+1)**2/(-a**2*c*x**2+c)**4,x)

[Out]

(-15*a**5*x**5 + 60*a**4*x**4 - 80*a**3*x**3 + 20*a**2*x**2 + 47*a*x - 48)/(160*a**7*c**4*x**6 - 640*a**6*c**4
*x**5 + 800*a**5*c**4*x**4 - 800*a**3*c**4*x**2 + 640*a**2*c**4*x - 160*a*c**4) + (-3*log(x - 1/a)/64 + 3*log(
x + 1/a)/64)/(a*c**4)

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