Question

factorise by using suitable identity x²+2+1/x²​

Answer 1

Step-by-step explanation:

x² + 2 + 1/x²

x² + 1/x² + 2

x² + 1/x² + 2(x)(1/x)

(x + 1/x)²

Answer 2

Answer:

= (x) ^2 + 2 X x X 1/x + (1/x ) ^2

= ( x + 1/x ) ^2

= ( x + 1/ x) ( x + 1/x )