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14. If z=(x+y)ey,x=2t,y=5−t2,z=(x+y)e^y,x=2t,y=5−t^2, find dzdtdzdt using the chain rule. Assume the variables are restricted to domains...

14. If z=(x+y)ey,x=2t,y=5−t2,z=(x+y)e^y,x=2t,y=5−t^2, find dzdtdzdt using the chain rule. Assume the variables are restricted to domains on which the functions are defined.

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