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Let S be a square with sides of length x...

Let S be a square with sides of length x. If we approximate the change in size of the area of S by `h (dA)/(dx)|_(x=x_0)`, when the sides are changed from `x_0` to `x_0 + h`, then the absolute value of the error in our approximation, is

A

`h^(2)`

B

`2hx_(0)`

C

`x_(0)^(2)`

D

h

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The correct Answer is:
A
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