Question

Find the square of 22 without actual
multiplication​

Answer 1

Answer:

add 44 and 440

Step-by-step explanation:

easy, pls mark me the brainliest

Answer 2

Answer:

pls mark me brainliest

484

Step-by-step explanation:

22²

= (20+2)²

Here, a = 20 , b = 2

using identity (a+b)² = a² + 2ab + b² ,

(20+2)² = 20² + 2×20×2 + 2²

= 400 + 80 + 4

= 484