Question

pls ans with explanation​

Answer 1

Answer:

hope you understand the explanation

Answer 2

Answer:

HI MATE

{x+1/x} { x- 1/x}

use the identity

(x + y) (x - y)=x²- y²

= (x)² - (1/x)²

= x²- 1/x²

take reciprocal

=x²- x-2