Question

if x2 +1/x2 =62 find the value of x+1/x​

Answer 1

Answer: 8

Step-by-step explanation:

x² + 1/x² = 62  

add 2 both sides of the equation  

x² + 1/x² + 2 = 62 + 2  

x² + 1/x² + 2 × x² × 1/x² = 64  

( x + 1/x )² = 8²  

(taking root on both sides )

x + 1/x

=  8