Question

If two roots of the equation (1 + m2)x2 + 2mcx + (c2 – a2) = 0, are equal, then (A) a2 = c2 (1 + m2) (B) m2 = a2 (1 + c2) (C) c2 = a2 (1 + m2) (D) am = cm

Answer 1

Step-by-step explanation:

D=b^2-4ac=0

option c is correct