Question

(n+1)²

-n²= ?

pls tell it's very urgent​

Answer 1

Step-by-step explanation:

(n+1)2-n2= n2 + 2n +1-n2= 2n+1

Answer 2

(n+1)²=n²+2(n)1+1²

n²+2n+1²

using Identity= (a+b)²=a²+2ab+b²