Integrand size = 18, antiderivative size = 87 \[ \int \frac {a+b \cosh (e+f x)}{(c+d x)^2} \, dx=-\frac {a}{d (c+d x)}-\frac {b \cosh (e+f x)}{d (c+d x)}+\frac {b f \text {Chi}\left (\frac {c f}{d}+f x\right ) \sinh \left (e-\frac {c f}{d}\right )}{d^2}+\frac {b f \cosh \left (e-\frac {c f}{d}\right ) \text {Shi}\left (\frac {c f}{d}+f x\right )}{d^2} \] Output:
-a/d/(d*x+c)-b*cosh(f*x+e)/d/(d*x+c)-b*f*Chi(c*f/d+f*x)*sinh(-e+c*f/d)/d^2 +b*f*cosh(-e+c*f/d)*Shi(c*f/d+f*x)/d^2
Time = 0.26 (sec) , antiderivative size = 71, normalized size of antiderivative = 0.82 \[ \int \frac {a+b \cosh (e+f x)}{(c+d x)^2} \, dx=\frac {-\frac {d (a+b \cosh (e+f x))}{c+d x}+b f \text {Chi}\left (f \left (\frac {c}{d}+x\right )\right ) \sinh \left (e-\frac {c f}{d}\right )+b f \cosh \left (e-\frac {c f}{d}\right ) \text {Shi}\left (f \left (\frac {c}{d}+x\right )\right )}{d^2} \] Input:
Integrate[(a + b*Cosh[e + f*x])/(c + d*x)^2,x]
Output:
(-((d*(a + b*Cosh[e + f*x]))/(c + d*x)) + b*f*CoshIntegral[f*(c/d + x)]*Si nh[e - (c*f)/d] + b*f*Cosh[e - (c*f)/d]*SinhIntegral[f*(c/d + x)])/d^2
Time = 0.37 (sec) , antiderivative size = 87, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {3042, 3798, 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.
\(\displaystyle \int \frac {a+b \cosh (e+f x)}{(c+d x)^2} \, dx\) |
\(\Big \downarrow \) 3042 |
\(\displaystyle \int \frac {a+b \sin \left (i e+i f x+\frac {\pi }{2}\right )}{(c+d x)^2}dx\) |
\(\Big \downarrow \) 3798 |
\(\displaystyle \int \left (\frac {a}{(c+d x)^2}+\frac {b \cosh (e+f x)}{(c+d x)^2}\right )dx\) |
\(\Big \downarrow \) 2009 |
\(\displaystyle -\frac {a}{d (c+d x)}+\frac {b f \text {Chi}\left (x f+\frac {c f}{d}\right ) \sinh \left (e-\frac {c f}{d}\right )}{d^2}+\frac {b f \cosh \left (e-\frac {c f}{d}\right ) \text {Shi}\left (x f+\frac {c f}{d}\right )}{d^2}-\frac {b \cosh (e+f x)}{d (c+d x)}\) |
Input:
Int[(a + b*Cosh[e + f*x])/(c + d*x)^2,x]
Output:
-(a/(d*(c + d*x))) - (b*Cosh[e + f*x])/(d*(c + d*x)) + (b*f*CoshIntegral[( c*f)/d + f*x]*Sinh[e - (c*f)/d])/d^2 + (b*f*Cosh[e - (c*f)/d]*SinhIntegral [(c*f)/d + f*x])/d^2
Int[((c_.) + (d_.)*(x_))^(m_.)*((a_) + (b_.)*sin[(e_.) + (f_.)*(x_)])^(n_.) , x_Symbol] :> Int[ExpandIntegrand[(c + d*x)^m, (a + b*Sin[e + f*x])^n, x], x] /; FreeQ[{a, b, c, d, e, f, m}, x] && IGtQ[n, 0] && (EqQ[n, 1] || IGtQ[ m, 0] || NeQ[a^2 - b^2, 0])
Time = 0.76 (sec) , antiderivative size = 149, normalized size of antiderivative = 1.71
method | result | size |
risch | \(-\frac {a}{d \left (d x +c \right )}-\frac {f b \,{\mathrm e}^{-f x -e}}{2 d \left (d x f +c f \right )}+\frac {f b \,{\mathrm e}^{\frac {c f -d e}{d}} \operatorname {expIntegral}_{1}\left (f x +e +\frac {c f -d e}{d}\right )}{2 d^{2}}-\frac {f b \,{\mathrm e}^{f x +e}}{2 d^{2} \left (\frac {c f}{d}+f x \right )}-\frac {f b \,{\mathrm e}^{-\frac {c f -d e}{d}} \operatorname {expIntegral}_{1}\left (-f x -e -\frac {c f -d e}{d}\right )}{2 d^{2}}\) | \(149\) |
Input:
int((a+b*cosh(f*x+e))/(d*x+c)^2,x,method=_RETURNVERBOSE)
Output:
-a/d/(d*x+c)-1/2*f*b*exp(-f*x-e)/d/(d*f*x+c*f)+1/2*f*b/d^2*exp((c*f-d*e)/d )*Ei(1,f*x+e+(c*f-d*e)/d)-1/2*f*b/d^2*exp(f*x+e)/(c*f/d+f*x)-1/2*f*b/d^2*e xp(-(c*f-d*e)/d)*Ei(1,-f*x-e-(c*f-d*e)/d)
Time = 0.10 (sec) , antiderivative size = 162, normalized size of antiderivative = 1.86 \[ \int \frac {a+b \cosh (e+f x)}{(c+d x)^2} \, dx=-\frac {2 \, b d \cosh \left (f x + e\right ) + 2 \, a d - {\left ({\left (b d f x + b c f\right )} {\rm Ei}\left (\frac {d f x + c f}{d}\right ) - {\left (b d f x + b c f\right )} {\rm Ei}\left (-\frac {d f x + c f}{d}\right )\right )} \cosh \left (-\frac {d e - c f}{d}\right ) + {\left ({\left (b d f x + b c f\right )} {\rm Ei}\left (\frac {d f x + c f}{d}\right ) + {\left (b d f x + b c f\right )} {\rm Ei}\left (-\frac {d f x + c f}{d}\right )\right )} \sinh \left (-\frac {d e - c f}{d}\right )}{2 \, {\left (d^{3} x + c d^{2}\right )}} \] Input:
integrate((a+b*cosh(f*x+e))/(d*x+c)^2,x, algorithm="fricas")
Output:
-1/2*(2*b*d*cosh(f*x + e) + 2*a*d - ((b*d*f*x + b*c*f)*Ei((d*f*x + c*f)/d) - (b*d*f*x + b*c*f)*Ei(-(d*f*x + c*f)/d))*cosh(-(d*e - c*f)/d) + ((b*d*f* x + b*c*f)*Ei((d*f*x + c*f)/d) + (b*d*f*x + b*c*f)*Ei(-(d*f*x + c*f)/d))*s inh(-(d*e - c*f)/d))/(d^3*x + c*d^2)
Timed out. \[ \int \frac {a+b \cosh (e+f x)}{(c+d x)^2} \, dx=\text {Timed out} \] Input:
integrate((a+b*cosh(f*x+e))/(d*x+c)**2,x)
Output:
Timed out
Time = 0.08 (sec) , antiderivative size = 87, normalized size of antiderivative = 1.00 \[ \int \frac {a+b \cosh (e+f x)}{(c+d x)^2} \, dx=-\frac {1}{2} \, b {\left (\frac {e^{\left (-e + \frac {c f}{d}\right )} E_{2}\left (\frac {{\left (d x + c\right )} f}{d}\right )}{{\left (d x + c\right )} d} + \frac {e^{\left (e - \frac {c f}{d}\right )} E_{2}\left (-\frac {{\left (d x + c\right )} f}{d}\right )}{{\left (d x + c\right )} d}\right )} - \frac {a}{d^{2} x + c d} \] Input:
integrate((a+b*cosh(f*x+e))/(d*x+c)^2,x, algorithm="maxima")
Output:
-1/2*b*(e^(-e + c*f/d)*exp_integral_e(2, (d*x + c)*f/d)/((d*x + c)*d) + e^ (e - c*f/d)*exp_integral_e(2, -(d*x + c)*f/d)/((d*x + c)*d)) - a/(d^2*x + c*d)
Leaf count of result is larger than twice the leaf count of optimal. 631 vs. \(2 (90) = 180\).
Time = 0.14 (sec) , antiderivative size = 631, normalized size of antiderivative = 7.25 \[ \int \frac {a+b \cosh (e+f x)}{(c+d x)^2} \, dx=\frac {1}{2} \, b {\left (\frac {{\left ({\left (d x + c\right )} {\left (\frac {d e}{d x + c} - \frac {c f}{d x + c} + f\right )} f^{2} {\rm Ei}\left (\frac {{\left (d x + c\right )} {\left (\frac {d e}{d x + c} - \frac {c f}{d x + c} + f\right )} - d e + c f}{d}\right ) e^{\left (\frac {d e - c f}{d}\right )} - d e f^{2} {\rm Ei}\left (\frac {{\left (d x + c\right )} {\left (\frac {d e}{d x + c} - \frac {c f}{d x + c} + f\right )} - d e + c f}{d}\right ) e^{\left (\frac {d e - c f}{d}\right )} + c f^{3} {\rm Ei}\left (\frac {{\left (d x + c\right )} {\left (\frac {d e}{d x + c} - \frac {c f}{d x + c} + f\right )} - d e + c f}{d}\right ) e^{\left (\frac {d e - c f}{d}\right )} - d f^{2} e^{\left (\frac {{\left (d x + c\right )} {\left (\frac {d e}{d x + c} - \frac {c f}{d x + c} + f\right )}}{d}\right )}\right )} d^{2}}{{\left ({\left (d x + c\right )} d^{4} {\left (\frac {d e}{d x + c} - \frac {c f}{d x + c} + f\right )} - d^{5} e + c d^{4} f\right )} f} - \frac {{\left ({\left (d x + c\right )} {\left (\frac {d e}{d x + c} - \frac {c f}{d x + c} + f\right )} f^{2} {\rm Ei}\left (-\frac {{\left (d x + c\right )} {\left (\frac {d e}{d x + c} - \frac {c f}{d x + c} + f\right )} - d e + c f}{d}\right ) e^{\left (-\frac {d e - c f}{d}\right )} - d e f^{2} {\rm Ei}\left (-\frac {{\left (d x + c\right )} {\left (\frac {d e}{d x + c} - \frac {c f}{d x + c} + f\right )} - d e + c f}{d}\right ) e^{\left (-\frac {d e - c f}{d}\right )} + c f^{3} {\rm Ei}\left (-\frac {{\left (d x + c\right )} {\left (\frac {d e}{d x + c} - \frac {c f}{d x + c} + f\right )} - d e + c f}{d}\right ) e^{\left (-\frac {d e - c f}{d}\right )} + d f^{2} e^{\left (-\frac {{\left (d x + c\right )} {\left (\frac {d e}{d x + c} - \frac {c f}{d x + c} + f\right )}}{d}\right )}\right )} d^{2}}{{\left ({\left (d x + c\right )} d^{4} {\left (\frac {d e}{d x + c} - \frac {c f}{d x + c} + f\right )} - d^{5} e + c d^{4} f\right )} f}\right )} - \frac {a}{{\left (d x + c\right )} d} \] Input:
integrate((a+b*cosh(f*x+e))/(d*x+c)^2,x, algorithm="giac")
Output:
1/2*b*(((d*x + c)*(d*e/(d*x + c) - c*f/(d*x + c) + f)*f^2*Ei(((d*x + c)*(d *e/(d*x + c) - c*f/(d*x + c) + f) - d*e + c*f)/d)*e^((d*e - c*f)/d) - d*e* f^2*Ei(((d*x + c)*(d*e/(d*x + c) - c*f/(d*x + c) + f) - d*e + c*f)/d)*e^(( d*e - c*f)/d) + c*f^3*Ei(((d*x + c)*(d*e/(d*x + c) - c*f/(d*x + c) + f) - d*e + c*f)/d)*e^((d*e - c*f)/d) - d*f^2*e^((d*x + c)*(d*e/(d*x + c) - c*f/ (d*x + c) + f)/d))*d^2/(((d*x + c)*d^4*(d*e/(d*x + c) - c*f/(d*x + c) + f) - d^5*e + c*d^4*f)*f) - ((d*x + c)*(d*e/(d*x + c) - c*f/(d*x + c) + f)*f^ 2*Ei(-((d*x + c)*(d*e/(d*x + c) - c*f/(d*x + c) + f) - d*e + c*f)/d)*e^(-( d*e - c*f)/d) - d*e*f^2*Ei(-((d*x + c)*(d*e/(d*x + c) - c*f/(d*x + c) + f) - d*e + c*f)/d)*e^(-(d*e - c*f)/d) + c*f^3*Ei(-((d*x + c)*(d*e/(d*x + c) - c*f/(d*x + c) + f) - d*e + c*f)/d)*e^(-(d*e - c*f)/d) + d*f^2*e^(-(d*x + c)*(d*e/(d*x + c) - c*f/(d*x + c) + f)/d))*d^2/(((d*x + c)*d^4*(d*e/(d*x + c) - c*f/(d*x + c) + f) - d^5*e + c*d^4*f)*f)) - a/((d*x + c)*d)
Timed out. \[ \int \frac {a+b \cosh (e+f x)}{(c+d x)^2} \, dx=\int \frac {a+b\,\mathrm {cosh}\left (e+f\,x\right )}{{\left (c+d\,x\right )}^2} \,d x \] Input:
int((a + b*cosh(e + f*x))/(c + d*x)^2,x)
Output:
int((a + b*cosh(e + f*x))/(c + d*x)^2, x)
\[ \int \frac {a+b \cosh (e+f x)}{(c+d x)^2} \, dx=\frac {e^{2 e} \left (\int \frac {e^{f x}}{d^{2} x^{2}+2 c d x +c^{2}}d x \right ) b \,c^{2}+e^{2 e} \left (\int \frac {e^{f x}}{d^{2} x^{2}+2 c d x +c^{2}}d x \right ) b c d x +2 e^{e} a x +\left (\int \frac {1}{e^{f x} c^{2}+2 e^{f x} c d x +e^{f x} d^{2} x^{2}}d x \right ) b \,c^{2}+\left (\int \frac {1}{e^{f x} c^{2}+2 e^{f x} c d x +e^{f x} d^{2} x^{2}}d x \right ) b c d x}{2 e^{e} c \left (d x +c \right )} \] Input:
int((a+b*cosh(f*x+e))/(d*x+c)^2,x)
Output:
(e**(2*e)*int(e**(f*x)/(c**2 + 2*c*d*x + d**2*x**2),x)*b*c**2 + e**(2*e)*i nt(e**(f*x)/(c**2 + 2*c*d*x + d**2*x**2),x)*b*c*d*x + 2*e**e*a*x + int(1/( e**(f*x)*c**2 + 2*e**(f*x)*c*d*x + e**(f*x)*d**2*x**2),x)*b*c**2 + int(1/( e**(f*x)*c**2 + 2*e**(f*x)*c*d*x + e**(f*x)*d**2*x**2),x)*b*c*d*x)/(2*e**e *c*(c + d*x))