Suppose z = f(x, y) = (x² + 2) sin(y) + xy². By setting one variable equal to a constant (either x = c, y = c, or z = c), answer the following questions. The intersection of the graph of f with the plane x = C is a sine curve if c = The intersection of the graph of f with the plane y=c▾ line if c = is a The intersection of the graph of f with the plane y=c is a parabola if c = A

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A: Please find the below attachment.Explanation:Step 1: Step 2: Step 3: Step 4:

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Q: Find the symmetric matrix for the given quadratic form, - Q = 2x² + 2x²+5x²¾−3x1×2 +7×3×1· a) 1 32 |…

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Q: SOLVE BY SUBSTITUTION a) y dx = 2(x + y) dy

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Q: Number 6 (b and d only!)

A: We have to find the invertible matrix Q

Q: (c) AB (d) |AB|

A: |A| = -15, |B| = 52, |AB| = -780Explanation: