Question

a2+1/a2=23 find a+1/a​

Answer 1

hope it will help you dear ❤️

Answer 2

given

${a}^{2} + \frac{1}{ {a}^{2} } = 23$

adding 2 both sides

${a}^{2} + \frac{1}{ {a}^{2} } + 2 = 25 \\ \\ ( {a + \frac{1}{a} })^{2} = 25 \\ \\ a + \frac{1}{a} = ±5$