Question

Using the identity

:simplify the following :

(a-b) ²=a²-2ab+b²

a) 49² please answer me fast I'm mark on the brinlist please ​

Answer 1

Answer:

2401

Step-by-step explanation:

(49)² = (50 - 1)²

= (50)² - (2 × 50 × 1) + (1)²

= 2500 - 100 + 1

= 2501 - 100

= 2401

I HOPE IT HELPS YOU

MARK AS BRAINLIEST :)

Answer 2

Answer:

I have also doubt in this question