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Answer: b Explaination:Reason: Scice x = 2 is a root of the equation 2x² + kx -6 = 0 ∴ 2(2)² +k(2) – 6 = 0 ⇒ 8 + 2k – 6 = 0 ⇒ 2k = -2 ∴ k = -1
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