Question

x^2+y^2=25 find dy/dt when x=3​

Answer 1

..........understand

Answer 2

Answer:

The answer according to me is -3

Explanation:

here we have

x^2+y^2-25=0

on doing dy/dt

we have

2x+2y=0

on pvt of x=3 we get

2(3)+2y=0

so, 2y=-6

    y= -6/2

    y= -3