(a) When is the directional derivative of f a maximum? (b) When is it a minimum? (c)...
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(a) When is the directional derivative of f a maximum?
(b) When is it a minimum?
(c) When is it 0?
(d) When is it half of its maximum value?
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a By Theorem 14615 the maximum value of the directi...View the full answer
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