Integrand size = 22, antiderivative size = 125 \[ \int \frac {d-c^2 d x^2}{a+b \text {arccosh}(c x)} \, dx=-\frac {3 d \text {Chi}\left (\frac {a+b \text {arccosh}(c x)}{b}\right ) \sinh \left (\frac {a}{b}\right )}{4 b c}+\frac {d \text {Chi}\left (\frac {3 (a+b \text {arccosh}(c x))}{b}\right ) \sinh \left (\frac {3 a}{b}\right )}{4 b c}+\frac {3 d \cosh \left (\frac {a}{b}\right ) \text {Shi}\left (\frac {a+b \text {arccosh}(c x)}{b}\right )}{4 b c}-\frac {d \cosh \left (\frac {3 a}{b}\right ) \text {Shi}\left (\frac {3 (a+b \text {arccosh}(c x))}{b}\right )}{4 b c} \] Output:
-3/4*d*Chi((a+b*arccosh(c*x))/b)*sinh(a/b)/b/c+1/4*d*Chi(3*(a+b*arccosh(c* x))/b)*sinh(3*a/b)/b/c+3/4*d*cosh(a/b)*Shi((a+b*arccosh(c*x))/b)/b/c-1/4*d *cosh(3*a/b)*Shi(3*(a+b*arccosh(c*x))/b)/b/c
Time = 0.16 (sec) , antiderivative size = 93, normalized size of antiderivative = 0.74 \[ \int \frac {d-c^2 d x^2}{a+b \text {arccosh}(c x)} \, dx=\frac {d \left (-3 \text {Chi}\left (\frac {a}{b}+\text {arccosh}(c x)\right ) \sinh \left (\frac {a}{b}\right )+\text {Chi}\left (3 \left (\frac {a}{b}+\text {arccosh}(c x)\right )\right ) \sinh \left (\frac {3 a}{b}\right )+3 \cosh \left (\frac {a}{b}\right ) \text {Shi}\left (\frac {a}{b}+\text {arccosh}(c x)\right )-\cosh \left (\frac {3 a}{b}\right ) \text {Shi}\left (3 \left (\frac {a}{b}+\text {arccosh}(c x)\right )\right )\right )}{4 b c} \] Input:
Integrate[(d - c^2*d*x^2)/(a + b*ArcCosh[c*x]),x]
Output:
(d*(-3*CoshIntegral[a/b + ArcCosh[c*x]]*Sinh[a/b] + CoshIntegral[3*(a/b + ArcCosh[c*x])]*Sinh[(3*a)/b] + 3*Cosh[a/b]*SinhIntegral[a/b + ArcCosh[c*x] ] - Cosh[(3*a)/b]*SinhIntegral[3*(a/b + ArcCosh[c*x])]))/(4*b*c)
Result contains complex when optimal does not.
Time = 0.44 (sec) , antiderivative size = 116, normalized size of antiderivative = 0.93, number of steps used = 7, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.273, Rules used = {6321, 25, 3042, 26, 3793, 2009}
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.
\(\displaystyle \int \frac {d-c^2 d x^2}{a+b \text {arccosh}(c x)} \, dx\) |
\(\Big \downarrow \) 6321 |
\(\displaystyle -\frac {d \int -\frac {\sinh ^3\left (\frac {a}{b}-\frac {a+b \text {arccosh}(c x)}{b}\right )}{a+b \text {arccosh}(c x)}d(a+b \text {arccosh}(c x))}{b c}\) |
\(\Big \downarrow \) 25 |
\(\displaystyle \frac {d \int \frac {\sinh ^3\left (\frac {a}{b}-\frac {a+b \text {arccosh}(c x)}{b}\right )}{a+b \text {arccosh}(c x)}d(a+b \text {arccosh}(c x))}{b c}\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \frac {d \int \frac {i \sin \left (\frac {i a}{b}-\frac {i (a+b \text {arccosh}(c x))}{b}\right )^3}{a+b \text {arccosh}(c x)}d(a+b \text {arccosh}(c x))}{b c}\) |
\(\Big \downarrow \) 26 |
\(\displaystyle \frac {i d \int \frac {\sin \left (\frac {i a}{b}-\frac {i (a+b \text {arccosh}(c x))}{b}\right )^3}{a+b \text {arccosh}(c x)}d(a+b \text {arccosh}(c x))}{b c}\) |
\(\Big \downarrow \) 3793 |
\(\displaystyle \frac {i d \int \left (\frac {3 i \sinh \left (\frac {a}{b}-\frac {a+b \text {arccosh}(c x)}{b}\right )}{4 (a+b \text {arccosh}(c x))}-\frac {i \sinh \left (\frac {3 a}{b}-\frac {3 (a+b \text {arccosh}(c x))}{b}\right )}{4 (a+b \text {arccosh}(c x))}\right )d(a+b \text {arccosh}(c x))}{b c}\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle \frac {i d \left (\frac {3}{4} i \sinh \left (\frac {a}{b}\right ) \text {Chi}\left (\frac {a+b \text {arccosh}(c x)}{b}\right )-\frac {1}{4} i \sinh \left (\frac {3 a}{b}\right ) \text {Chi}\left (\frac {3 (a+b \text {arccosh}(c x))}{b}\right )-\frac {3}{4} i \cosh \left (\frac {a}{b}\right ) \text {Shi}\left (\frac {a+b \text {arccosh}(c x)}{b}\right )+\frac {1}{4} i \cosh \left (\frac {3 a}{b}\right ) \text {Shi}\left (\frac {3 (a+b \text {arccosh}(c x))}{b}\right )\right )}{b c}\) |
Input:
Int[(d - c^2*d*x^2)/(a + b*ArcCosh[c*x]),x]
Output:
(I*d*(((3*I)/4)*CoshIntegral[(a + b*ArcCosh[c*x])/b]*Sinh[a/b] - (I/4)*Cos hIntegral[(3*(a + b*ArcCosh[c*x]))/b]*Sinh[(3*a)/b] - ((3*I)/4)*Cosh[a/b]* SinhIntegral[(a + b*ArcCosh[c*x])/b] + (I/4)*Cosh[(3*a)/b]*SinhIntegral[(3 *(a + b*ArcCosh[c*x]))/b]))/(b*c)
Int[(Complex[0, a_])*(Fx_), x_Symbol] :> Simp[(Complex[Identity[0], a]) I nt[Fx, x], x] /; FreeQ[a, x] && EqQ[a^2, 1]
Int[((c_.) + (d_.)*(x_))^(m_)*sin[(e_.) + (f_.)*(x_)]^(n_), x_Symbol] :> In t[ExpandTrigReduce[(c + d*x)^m, Sin[e + f*x]^n, x], x] /; FreeQ[{c, d, e, f , m}, x] && IGtQ[n, 1] && ( !RationalQ[m] || (GeQ[m, -1] && LtQ[m, 1]))
Int[((a_.) + ArcCosh[(c_.)*(x_)]*(b_.))^(n_.)*((d_) + (e_.)*(x_)^2)^(p_.), x_Symbol] :> Simp[(1/(b*c))*Simp[(d + e*x^2)^p/((1 + c*x)^p*(-1 + c*x)^p)] Subst[Int[x^n*Sinh[-a/b + x/b]^(2*p + 1), x], x, a + b*ArcCosh[c*x]], x] /; FreeQ[{a, b, c, d, e, n}, x] && EqQ[c^2*d + e, 0] && IGtQ[2*p, 0]
Time = 0.16 (sec) , antiderivative size = 114, normalized size of antiderivative = 0.91
method | result | size |
derivativedivides | \(\frac {-\frac {d \,{\mathrm e}^{\frac {3 a}{b}} \operatorname {expIntegral}_{1}\left (3 \,\operatorname {arccosh}\left (c x \right )+\frac {3 a}{b}\right )}{8 b}+\frac {3 d \,{\mathrm e}^{\frac {a}{b}} \operatorname {expIntegral}_{1}\left (\operatorname {arccosh}\left (c x \right )+\frac {a}{b}\right )}{8 b}-\frac {3 d \,{\mathrm e}^{-\frac {a}{b}} \operatorname {expIntegral}_{1}\left (-\operatorname {arccosh}\left (c x \right )-\frac {a}{b}\right )}{8 b}+\frac {d \,{\mathrm e}^{-\frac {3 a}{b}} \operatorname {expIntegral}_{1}\left (-3 \,\operatorname {arccosh}\left (c x \right )-\frac {3 a}{b}\right )}{8 b}}{c}\) | \(114\) |
default | \(\frac {-\frac {d \,{\mathrm e}^{\frac {3 a}{b}} \operatorname {expIntegral}_{1}\left (3 \,\operatorname {arccosh}\left (c x \right )+\frac {3 a}{b}\right )}{8 b}+\frac {3 d \,{\mathrm e}^{\frac {a}{b}} \operatorname {expIntegral}_{1}\left (\operatorname {arccosh}\left (c x \right )+\frac {a}{b}\right )}{8 b}-\frac {3 d \,{\mathrm e}^{-\frac {a}{b}} \operatorname {expIntegral}_{1}\left (-\operatorname {arccosh}\left (c x \right )-\frac {a}{b}\right )}{8 b}+\frac {d \,{\mathrm e}^{-\frac {3 a}{b}} \operatorname {expIntegral}_{1}\left (-3 \,\operatorname {arccosh}\left (c x \right )-\frac {3 a}{b}\right )}{8 b}}{c}\) | \(114\) |
Input:
int((-c^2*d*x^2+d)/(a+b*arccosh(c*x)),x,method=_RETURNVERBOSE)
Output:
1/c*(-1/8*d/b*exp(3*a/b)*Ei(1,3*arccosh(c*x)+3*a/b)+3/8*d/b*exp(a/b)*Ei(1, arccosh(c*x)+a/b)-3/8*d/b*exp(-a/b)*Ei(1,-arccosh(c*x)-a/b)+1/8*d/b*exp(-3 *a/b)*Ei(1,-3*arccosh(c*x)-3*a/b))
\[ \int \frac {d-c^2 d x^2}{a+b \text {arccosh}(c x)} \, dx=\int { -\frac {c^{2} d x^{2} - d}{b \operatorname {arcosh}\left (c x\right ) + a} \,d x } \] Input:
integrate((-c^2*d*x^2+d)/(a+b*arccosh(c*x)),x, algorithm="fricas")
Output:
integral(-(c^2*d*x^2 - d)/(b*arccosh(c*x) + a), x)
\[ \int \frac {d-c^2 d x^2}{a+b \text {arccosh}(c x)} \, dx=- d \left (\int \frac {c^{2} x^{2}}{a + b \operatorname {acosh}{\left (c x \right )}}\, dx + \int \left (- \frac {1}{a + b \operatorname {acosh}{\left (c x \right )}}\right )\, dx\right ) \] Input:
integrate((-c**2*d*x**2+d)/(a+b*acosh(c*x)),x)
Output:
-d*(Integral(c**2*x**2/(a + b*acosh(c*x)), x) + Integral(-1/(a + b*acosh(c *x)), x))
\[ \int \frac {d-c^2 d x^2}{a+b \text {arccosh}(c x)} \, dx=\int { -\frac {c^{2} d x^{2} - d}{b \operatorname {arcosh}\left (c x\right ) + a} \,d x } \] Input:
integrate((-c^2*d*x^2+d)/(a+b*arccosh(c*x)),x, algorithm="maxima")
Output:
-integrate((c^2*d*x^2 - d)/(b*arccosh(c*x) + a), x)
\[ \int \frac {d-c^2 d x^2}{a+b \text {arccosh}(c x)} \, dx=\int { -\frac {c^{2} d x^{2} - d}{b \operatorname {arcosh}\left (c x\right ) + a} \,d x } \] Input:
integrate((-c^2*d*x^2+d)/(a+b*arccosh(c*x)),x, algorithm="giac")
Output:
integrate(-(c^2*d*x^2 - d)/(b*arccosh(c*x) + a), x)
Timed out. \[ \int \frac {d-c^2 d x^2}{a+b \text {arccosh}(c x)} \, dx=\int \frac {d-c^2\,d\,x^2}{a+b\,\mathrm {acosh}\left (c\,x\right )} \,d x \] Input:
int((d - c^2*d*x^2)/(a + b*acosh(c*x)),x)
Output:
int((d - c^2*d*x^2)/(a + b*acosh(c*x)), x)
\[ \int \frac {d-c^2 d x^2}{a+b \text {arccosh}(c x)} \, dx=d \left (-\left (\int \frac {x^{2}}{\mathit {acosh} \left (c x \right ) b +a}d x \right ) c^{2}+\int \frac {1}{\mathit {acosh} \left (c x \right ) b +a}d x \right ) \] Input:
int((-c^2*d*x^2+d)/(a+b*acosh(c*x)),x)
Output:
d*( - int(x**2/(acosh(c*x)*b + a),x)*c**2 + int(1/(acosh(c*x)*b + a),x))