Question: hel me out 1. Consider the function f (x, y) = -x4+ 4(x2 - y2) - 3. Find the gradient of the function and evaluate

hel me out

1. Consider the function f (x, y) = -x4+ 4(x2 - y2) - 3. Find the gradient of the function and evaluate it at (1, 1). 2. Find the gradient of the following functions. a) f (x, y, z) = 3x2 y + cos (3z) b ) g (x, y, z) = sin (3x)e2)In (4z) 3. Consider the vector, F(x, y, z) = (4y2+x 3x y)i+ 8xy + - 2 * j + (11 2xay k. Find the div(F). 4. Fid the real and imaginary components of the following functions. z+1 a) 22-5 b ) ( 3 + )

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