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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

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