Find the equation of a circle concentric with the circle ` 2x ^(2) + 2y ^(2) - 6x + 8y + 1 = 0 `
Channel: Doubtnut
Date: 29/12/2019

Find the equation of a circle concentric with the circle ` 2x ^(2) + 2y ^(2) - 6x + 8y + 1 = 0 ` and of double its area.