Question

if x-1/x=13, find the value of x^2+1/x^2​

Answer 1

x - (1/x) = 13

So, x^2 + (1/x)^2 - 2 (x) (1/x) = 169

x^2 + (1/x^2) = 169 + 2 = 171

Answer 2

Answer:

172

Step-by-step explanation:

Formula =A का square +2

A=13

$(13 {) }^{2} + 2 = 169 + 2 = 172$