Find the centre and radius of the sphere .

MATHEMATICS · Subjective · CBSE · Mathematics · Introduction to Three-Dimensional Geometry · Introduction to Three-Dimensional Geometry

Problem

Find the centre and radius of the sphere 2x2+2y2+2z2−2x−4y+2z+3=02x^2 + 2y^2 + 2z^2 - 2x - 4y + 2z + 3 = 0 .

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