Solution
Expression : $$(a+\frac{1}{a})^2=3$$
= $$a^2+\frac{1}{a^2}+2(a)(\frac{1}{a})=3$$
=> $$a^2+\frac{1}{a^2}+2=3$$
=> $$a^2+\frac{1}{a^2}=3-2=1$$
=> Ans - (B)
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