Question

2
1. Find the square of:
(i) 2a + 1​

Answer 1

Answer:

4a²+4a+1

Step-by-step explanation:

(2a+1)²

use the formula (a+b)²=a²+2ab+b²

Answer 2

Answer:

(a+1)(a+1)

Step-by-step explanation:

a2+2a+1. =a2+a+a+1 =a(a+1)+1(a+1)=(a+1)(a+1) ans