Let U be an open subset of R". Let f:UCR"-R be differentiable at a E U. In this exercise you will prove that if ▽f(a) 0, then at the point a, the function f increases fastest in the direction...

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Let U be an open subset of R. Let f:UCR-R be differentiable at a E U. In this exercise you will prove that if ▽f(a) 0, then

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(a) let uR be a unitvector ▽f(a) unt Takino medalus-segel Dit(s) = neduality) Jhus Ibufals lyfall bus oe ee that fo) Dafs bau please rate

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