Find the centre and radius of the circle represented by the equation .

MATHEMATICS · Subjective · A Level · Mathematics · Coordinate geometry in the (x y) plane · Coordinate geometry in the (x y) plane

Problem

Find the centre and radius of the circle represented by the equation x2+y2−6x+8y−11=0x^2 + y^2 - 6x + 8y - 11 = 0.

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