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1. যদি x+1/x=4 হয় তবে x/(x2-3x+1) এর মান কত?

Answer: Option A

Explanation:

Given that, x + \frac{1}{x} = 4 \frac{x^{2} + 1}{x} = 4 x^{2} + 1 = 4 x N o w, \frac{x}{x^{2} - 3 x + 1} = \frac{x}{x^{2} + 1 - 3 x} = \frac{x}{4 x - 3 x} = \frac{x}{x} = 1

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