Question

Find the equation of the circle with centre (a a) and radius root2 a

Answer 1

eq of circle -
${(x - a) }^{2} + {(y - a) }^{2} = {( \sqrt{2} a})^{2}$
${x}^{2} + {y}^{2} + 2 {a}^{2} \: - 2xa \: - 2ya = 2 {a}^{2}$



hope this helps you
thanks you

Answer 2

I hope it was helpful... :)