4) Find the center and radius of the circle.x2+ y2 – 81 – 2y=-16
1 answer:
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The problem is:
We now do L.C.M. of numerator and add, also do L.C.M. of denominator and add together:
Dividing by a fraction is same as multiplying by its reciprocal, so we have:
x cancels out, so can multiply and write:
This is the simplified form.
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