Question: Find the linear approximation for the following nonlinear equation at the reference point: x = 2 and y = 3. f(x,y) = exy+10x3 +

Find the linear approximation for the following nonlinear equation at the reference point: x = 2 and y = 3. f(x,y) = exy+10x3 + 15y - 20 What is the relative error in the linear approximation at x = 2.1 and y = 2.8? Is this because of truncation or round-off error? (Answer: relative error is 0.00636 or 0.636%)
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