Question

*What is expansionof (m + 2 )²*

1️⃣ 2m² + 4m+4
2️⃣ m² + 2m+4
3️⃣ m² - 4m+4
4️⃣ m² + 4m+4

Answer 1

Answer:

4) m² + 4m+4

Step-by-step explanation:

(a + b)²=a²+2ab+b²

so here a=m and b=2

sub in above eqn

(m + 2 )²= m²+2*m*1+2²=m² + 4m+4