Question

The general solution of the first order differential exact equation is ---------------
cosh⁡(x)sin(y)dy-sinh⁡(x)cos⁡(y)dx=0

Select one:
A. C = -cosh(x)+cos(y)
B. C = -cosh(x)cos(y)
C. C = -sinh(x)sin(y)
D. C = ln(cosh(x)cos(y))

Answer 1

Answer:

a) is your correct answer I am sure