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1. $x + \frac{1}{x} = 3$

A. $\frac{5}{3}$
B. $\frac{5}{3}$
C. $\frac{5}{3}$
D. $\frac{5}{3}$

Answer: Option D

Explanation:

দেওয়া আছে,

x + \frac{1}{x} = 3 \Rightarrow \frac{x^{2} + 1}{x} = 3 \Rightarrow x^{2} + 1 = 3 x \frac{x^{2} + 1}{x^{2} + 2 x + 1} = \frac{3 x}{3 x + 2 x} = \frac{3 x}{5 x} = \frac{3}{5}

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