2. f(x) = 2 - 5x + 2x Sketch: Opens: Vertex: Equation for Axis of Symmetry:

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A: We use formula of Lagrange's multiple Del(f(x)) = lamda * del(g(x))

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A: see below the answer and calculation

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A: Solution of question as follows

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A: Solution:   First of all x-y projection of this 3d graph is

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A: Follow the procedure given below.

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