evaluate (199)^2 by using suitable identity
Answers
Answered by
55
✌HEY DUDE!!✌
the answer is 39601.
☺HOPE IT HELPS!!☺
the answer is 39601.
☺HOPE IT HELPS!!☺
Attachments:
saumya4552:
ok
Answered by
21
(199)²
The Id used here is : (a-b)² = a²+b²+2ab
(200-1)²
(200)² + (1)² - 2(200)(1)
40000 + 1 - 400
39601
Therefore (199)² = 39601
The Id used here is : (a-b)² = a²+b²+2ab
(200-1)²
(200)² + (1)² - 2(200)(1)
40000 + 1 - 400
39601
Therefore (199)² = 39601
Attachments:
Similar questions