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please give correct answer ASAP with proper explanation 1. For f (x, y, z) = 3x2 - 2xy + 4xz + 5y2 + 4z2 -2yz

please give correct answer ASAP with proper explanation

1. For f (x, y, z) = 3x2 - 2xy + 4xz + 5y2 + 4z2 -2yz a. Find the critical point(s) b. Use the Hessian method to classify each point as a local maximum, local minimum or indeterminate (saddle point)

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