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For f(x,y,z) = sqrt(35-x^2-4y^2-2z) 1. Find the gradient of f(x,y,z) 2. Evaluate delta f(x,y,z) 3. Find...

For f(x,y,z) = sqrt(35-x^2-4y^2-2z) 1. Find the gradient of f(x,y,z) 2. Evaluate delta f(x,y,z) 3. Find the unit vectors U+ and U- , that give the direction of steepest ascent and the steepest descent respectively.

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