Question
Let `z(x,y)= 4x^2-3y^2` where `x = 2s+5t & y = -8s-6t`. Calculate (\partial z)/(\partial s)` & `(\partial z)/(\partial t)` by first finding (\partial x)/(\partial s)`, `(\partial y)/(\partial s)`, `(\partial x)/(\partial t)` & `(\partial y)/(\partial t)` and using the chain rule.
Question image 1