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Find the area of the region satisfying the inequality x^2 + y^2 <= 4x + 6y + 13 - 2x + 8y.

 Jul 28, 2021
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The shaded area looks like a circle. 

Complete the square normally as if the "<=" was an "=" to get the equation in the form (x-h)^2 + (y-k)^2 = r^2. 

Then find the area of the circle using r^2. 

 

=^._.^=

 Jul 28, 2021

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