Question

If x2 +
= 66. find the value of x
2
x²
х​

Answer 1

Answer:

Step-by-step explanation:Given -  

We have the identity,

(Derived from the original identity,  

)

By putting values,

= 66

= 66 - 2

= 64

=  

= +/- 8

Answer 2

Answer: 8

Step-by-step explanation:( x - 1/x )^2

= x^2 + 1/x^2 - 2

= 66 -2

= √64

= 8

HOPE THIS WILL HELP YOU !!