Question

Factorisation x ^ 2 + 2x + 1 - 1/(x ^ 2) is​

Answer 1

Step-by-step explanation:

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

( x+1)^2 -1/x^2

(x+1-1/x) ( x+1+1/x)

x^2+x-1)/x (x^2 +x+1)/x