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1. $x^{2} - 3 x - 2$

Answer: Option B

Explanation:

দেওয়া আছে, x^{2} - 3 x - 2 ধরি, x + 1 = 0, x = - 1 অতয়াব, x^{2} - 3 x - 2 = {(- 1)}^{2} - 3 (- 1) - 2 = 1 + 3 - 2 = 4 - 2 = 2

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