Question

If z = x2 + y2, x = t3, y = t2, Find dz/dt

Answer 1

Step-by-step explanation:

z=2x+2y

x=3t

y=2t

from this z=2(3t) +2(2t) =6t+2t

dz/dt=6(1)+2(1)=6+2=8

dz/dt=8