using the chain rule, to determine the rate of change of f in terms of time t along the path given at time t by x(t) = (1 + t^2)^1/2 , y(t) = -t Many Thanks
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Originally Posted by acu04385 using the chain rule, to determine the rate of change of f in terms of time t along the path given at time t by x(t) = (1 + t^2)^1/2 , y(t) = -t Many Thanks Find (dx/dt) and (dy/dt) Then f'(t) = sqrt[(dx/dt)^2 + (dy/dt)^2]
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