Evaluate dz using the given information. z = 5x² +9xy + 2y²; x = 7, y = -1, dx = 0.08, dy = -0.02 dz = (Type an integer or a decimal.)

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A: Given expression isy³.y-3

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A:

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A: We need to use integration by substitution technique. In integration by substitution technique, we…

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A: see below the answer and calculation

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A: The solution is :

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A: X=0.250 inch, Y=2.0625, and W=3.375Z = ?

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A:

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A:

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A: givena=<3,1,15>b=<6,-2,-10>we multiply corresponding values of i,j and k vecor to…

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A:

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A: We will answer the first one since we answer only one question a a time. please resubmit the second…