1.

If the equation (b^2 + c^2) x^2 -2 (a+b) cx + (c^2 + a^2) = 0 has equal roots, then

Answer»

a, B, C are in G.P.
`c^2 = AB`
a, b, c, are in G.P.
`c = SQRT(ab)`

ANSWER :A


Discussion

No Comment Found

Related InterviewSolutions