Question: T. Determine whether or not the vector function is the gradient 'Ff (x. y) of a function everywhere dened. if so, nd all the functions

T. Determine whether or not the vector function is the gradient 'Ff (x. y) of a function everywhere dened. if so, nd all the functions with that gradient. (ex cos y? )i- (2:92" sin y: )j a. Not a gradient 13. 12' cos 3:2 +C c. ye" cos y? + C.' d. ex sin 3.12 +C e. None of these

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