If α, β and γ are three consecutive terms of a non-constant G.P. such that the equations x^2 + 2 x + = 0 and...

Question

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

Accepted Answer

(D)

JEE Main 2019 Mathematics question

Solution

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