Question

20. Q 19. using identity find 99 x 101 Of​

Answer 1

Answer:

Mark it AS BRAINLIEST .

Step-by-step explanation:

99 x 101

(100-1)(100+1)

$100^{2}-1^{2}$

10000-1

9999

Answer 2

Step-by-step explanation:

99×101=(100 - 1) (100 +1)

using standerd identity

(a+b)(a-b) =a2-b2

(100)2 -(1)2

9999