1.

If a given line is tangent to the circle then perpendicular distance from centre of the circle is equal to radius of the circle solve the following : If 16m^(2)-8l-1=0 the equation fo circle whose tangent is lx + my +n=0 is

Answer»

`X^(2)+y^(2)+8x=0`
`x^(2)+y^(2)-8x=0`
`x^(2)+y^(2)+8y=0`
`x^(2)+y^(2)-8y=0`

ANSWER :B


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