Question

Find the square of the following 2a + 1

Answer 1

Answer:

4asquare +4a+1 is the answer hope it helps you

Answer 2

Answer:

4a^2 + 4a + 1

Explanation:

$using \: the \: formula \: {(a + b) }^ {2} = {a }^{2} + 2ab + {b}^{2} \\ = {(2a + 1)}^{2} \\ = {(2a)}^{2} + 2(2a)(1) + {(1)}^{2} \\ = {4a}^{2} + 4a + 1$