Find the gradient of the function given by, x^2 + y^2 + z^2 at (1,1,1)
(a) i + j + k
(b) 2i + 2j + 2k
(c) 2xi + 2yj + 2zk
(d) 4xi + 2yj + 4zk
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My question comes from Gradient topic in portion Vector Calculus of Electromagnetic Theory
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