y (0, –7) y = h(x) (-2, –9)| (a) lim, h(x) X-2 (b) lim h(x)

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A: Solution is given below:

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A: First we use Pythagoras theorem and then we calculate dA/dt and solve it .    

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A: We will solve the problem 

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Q: If twice the area of a smaller square is subtracted from the area of a larger square, the result is ...

A: Let the side of the larger square be:  x Let the side of the smaller square be:  y