For the functions below, what is the direction of fastest increase at (1, 1, 1)? 8...
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For the functions below, what is the direction of fastest increase at (1, 1, 1)? 8 x² + y² + z² (a) f(x, y, z) = (b) f(x, y, z) = 5xy + 5yz + 5xz (c) f(x, y, z) = 4 x² + y² + z² For the functions below, what is the direction of fastest increase at (1, 1, 1)? 8 x² + y² + z² (a) f(x, y, z) = (b) f(x, y, z) = 5xy + 5yz + 5xz (c) f(x, y, z) = 4 x² + y² + z²
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