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1. ${(x + 1)}^{2} = 4$

Answer: Option A

Explanation:

{(x + 1)}^{2} = 4 > x + 1 = \sqrt{4} = - 2 আবার, {(x - 1)}^{2} = 16 > x - 1 = \sqrt{16} = - 4 ∴ x + 1 + x - 1 = - 2 - 4 > 2 x = - 6 > x = - 3

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