If α, β, and γ are three consecutive terms of a non-constant G.P such that the equations αx2 + 2βx + γ = 0 and x2 + x – 1 = 0 have a common root, then α(β + γ) is equal to:

If α, β, and γ are three consecutive terms of a non-constant G.P su

1.	If α, β, and γ are three consecutive terms of a non-constant G.P such that the equations αx2 + 2βx + γ = 0 and x2 + x – 1 = 0 have a common root, then α(β + γ) is equal to:
A.	0
B.	αβ
C.	αγ
D.	βγ
Answer» E.

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If α, β, and γ are three consecutive terms of a non-constant G.P such that the equations αx2 + 2βx + γ = 0 and x2 + x – 1 = 0 have a common root, then α(β + γ) is equal to:

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