Q1 Consider g(x, y) = be* siny and h(x,y) = da e"* cosy where a is some constant. a) What is Og/dy ? b) What is oh /dx ? ag oh c) g(x,) dx + h(x, y) dy is a perfect differential if = What value should a take dy Ox in order to make g(x, y) dx + h(x, y) dy a perfect differential