1.

Equation of a family of circles, such that each member of the gamily psses through the origin and makes an intercept on the line y = 2x which is twice the intercept made on the line x = 2y is (lamda being a parameter)

Answer»

`X ^(2) +y ^(2) - 2 LAMDA y =0`
`x ^(2) + y ^(2) - 2 lamda x =0`
`x ^(2) + y ^(2) - 2 lamda x - 2 lamda y =0`
none of these

ANSWER :A


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