Homework questions I'm having trouble solving.

1.

Consider the differential equation: (3ysin(xy) + 5secx)dx = (51ny - 8x sin(xy) ) dy Note: Do not use square brackets in your response, use normal parantheses if you have to, i.e "()" Then OM ay and ON Is this equation exact? O Yes O NoConsider the exact differential equation 4x2 - 2xy + 2+ (4y - x2+ 2)y' =0 The implicit solution of the above DE is f(I, y) = c where f(I, y) =