Question

Calculate y′
x^2 cos(y) + sin(2y) = xy

Answer 1

Try this website:
https://mathway.com/

Answer 2

Use product rule to differeniate
(x^2cos(y))'=2xcos(y)-y'sin(y)x^2
(xy)=y+xy'
d/dy sin(2y)=cos(2y)*d/dy(2y)=2y'cos(2y)
-y'sin(y)x^2+2y'cos(2y)-xy'=y-2xcos(y)
y'(-sin(y)x^2+2cos(2y)-x)=y-2xcos(y)
y'=y-2xcos(y)/(-sin(y)x^2+2cos(2y)-x)

Answer 3

Thanx👍🏼