Question

give the answer of this question

Answer 1

So the answer of the question is 14.

Thanks.
Tripathy.

Answer 2

$(a + \frac{1}{a} + 2) = \sqrt{4} = \: - 2$
We have not taken √4 as 2 as it will make a²+1/a² -ve
$a + \frac{1}{a} = - 4$
Squaring both sides ,
${a}^{2} + \frac{1}{ {a}^{2} } + 2 = 16$
${a}^{2} + \frac{1}{ {a}^{2} } = 14$