Question

If y^2+1/y^2 = 2, then y^59+1/y^59 = ?
${y}^{2} + \frac{1}{ {y}^{2} } = 2$
${y}^{59} + \frac{1}{ {y}^{59} } = what$

Answer 1

put once y=1 and once y=minus1