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1. $16 x^{2} - 8 x + 9 = 0$

Answer: Option B

Explanation:

a x^{2} + b x + c = 0 সমীকরণের মূলের যোগফল= \frac{- b}{a} {16x}^{2} -8x+9=0 সমীকরণের মূলের যোগফল= \frac{- 8}{16} = \frac{1}{2}

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