Question

a² + 2ab + b² = ?
(a = 5, b = 2)

Answer 1

Answer:

49

Step-by-step explanation:

Given :

a = 5

b = 2

We know that : $(a + b)^{2} = a^{2} + 2ab + b^{2}$

Substitute a = 5 and b = 2 in $(a + b)^{2}$

$(5 + 2)^{2}\\= 7^{2}\\= 49$