(cosh(x) - two *sinh(x)/x + two *cosh(x)/x^ two)/x = zero
( hyperbolic co sinus of e of ine of (x) minus 2 multiply by hyperbolic sinus of e of (x) divide by x plus 2 multiply by hyperbolic co sinus of e of ine of (x) divide by x squared ) divide by x equally 0
( hyperbolic co sinus of e of ine of (x) minus two multiply by hyperbolic sinus of e of (x) divide by x plus two multiply by hyperbolic co sinus of e of ine of (x) divide by x to the power of two) divide by x equally zero
(cosh(x) - 2*sinh(x)/x + 2*cosh(x)/x2)/x = 0
coshx - 2*sinhx/x + 2*coshx/x2/x = 0
(cosh(x) - 2*sinh(x)/x + 2*cosh(x)/x²)/x = 0
(cosh(x) - 2*sinh(x)/x + 2*cosh(x)/x to the power of 2)/x = 0
(cosh(x) - 2sinh(x)/x + 2cosh(x)/x^2)/x = 0
(cosh(x) - 2sinh(x)/x + 2cosh(x)/x2)/x = 0
coshx - 2sinhx/x + 2coshx/x2/x = 0
coshx - 2sinhx/x + 2coshx/x^2/x = 0
(cosh(x) - 2*sinh(x) divide by x + 2*cosh(x) divide by x^2) divide by x = 0