Question

The value of 99square -98square is

Answer 1

Answer:

to find the value of 99^2 - 98^2

by using the identity a^2 - b^2 = (a+b)(a-b)

here a = 99 and b = 98

therefore 99^2 - 98^2 = (99 + 98)(99- 98)

= (197)(1)

= 197 Answer