Answer to Question #101860 in Electrical Engineering for Sahil Patel

Question

Cosx log(2y-8)+1/x]dx+(sinx/y-4)dy=0

Answer 1

We are to solve a first-order nonlinear ordinary differential equation:

Open up the parentheses:

After thinking for a while we can see that

Therefore, if we make a substitution in equation (1):

(chain rule),

we can rewrite equation (1) above as

finally, integration by parts gives