Question

please answer both the question s with solution
right answer will be marked as brainliest

Answer 1

${a}^{2} + 1 = - a \\ a + \frac{1}{a} = - 1 \\ {(a + \frac{1}{a}) }^{2} = {( - 1) }^{2} \\ {a}^{2} + \frac{1}{ {a}^{2} } = - 1 \\ negative \: integer$