Question

2.5 If the equation x2 + 2x+3 = 0 and ax2 +bx+c=0, a, b, c e R, have a common root, then a:b:cis (A) 3:2:1 (B)1:3:2 (C)3:1:2 (D) 1:2:3

JEE/Engineering Exams

Maths

Solution

4.0 (1 ratings)

n+20 4320 a- - 2 + 14-12 xco [imaginary] They are conjugate x²+2x+3 & ant bute are similar a:6:3= 1: 23