Related rates via chain rule (dy/dt = (dy/dx)(dx/dt))

jee-mainjee-advanced

dy/dt = (dy/dx)(dx/dt)

What each symbol means

SymbolWhat it stands for
dx/dtGiven rate
dy/dtRate of change of y w.r.t. time
dy/dxInstantaneous ratio from model

When to use this

x,y differentiable functions of t on interval; model links y to x.