Question: (a) Express dw/dt as a function of t, both by using the Chain Rule and by expressing w in terms of t and differentiating directly

(a) Express dw/dt as a function of t, both by using the Chain Rule and by expressing w in terms of t and differentiating directly with respect to t. Then 


(b) Evaluate dw/dt at the given value of t.w = z - sin xy, x=t, y = ln t, z

w = z - sin xy, x=t, y = ln t, z = e-; t = 1

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