Question

formula of a plus b whole square​

Answer 1

Answer:

(a+b)² = a² + b² + 2ab

Step-by-step explanation:

Pls Mark as Brainliest and follow me

Answer 2

(a + b)² = a² + b² + 2ab

Given :

The expression (a + b)²

To find :

The value of the expression

Solution :

Step 1 of 2 :

Write down the given expression

The given expression is

(a + b)²

Step 2 of 2 :

Find the value of the expression

$\sf {(a + b)}^{2}$

$\sf = (a + b)(a + b)$

$\sf = a(a + b) + b(a + b)$

$\sf = {a}^{2} + ab + ab + {b}^{2}$

$\sf = {a}^{2} + 2ab + {b}^{2}$

Thus we get

$\sf {(a + b)}^{2} = {a}^{2} + 2ab + {b}^{2}$

━━━━━━━━━━━━━━━━

Learn more from Brainly :-

$1.$ Find the value of the expression a² – 2ab + b² for a = 1, b = 1

https://brainly.in/question/28961155

2. to verify algebraic identity a2-b2=(a+b)(a-b)

https://brainly.in/question/10726280