Find the equation of sphere concentric with sphere and double its radius.

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

Problem

Find the equation of sphere concentric with sphere 2x2+2y2+2z2−6x+2y−4z=12x^2 + 2y^2 + 2z^2 - 6x + 2y - 4z = 1 and double its radius.

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