1.

If (alpha, beta) is the centre of a circle passing through the origin then its equation is

Answer»

`X^2 + y^2 - alpha x + beta y = 0`
`x^2 + y^2 + 2alpha x + 2BETA y = 0`
`x^2 + y^2 - 2 alpha x - 2 beta y = 0`
`x^2 + y^2 - 2 alpha x + 2beta y + alpha^2 + beta^2 = 0`

ANSWER :C


Discussion

No Comment Found

Related InterviewSolutions