Question

The value of 99²-98² is​

Answer 1

Answer:

(99)^2 - (98)^2

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

=(99+98)(99-98)

=197×1

=197 Ans.

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Answer 2

*Answer* 197

Step-by-step explanation:

(99)² - (98)²

= { using identity: x² - y² = (x+y) (x-y) }

= putting the values in the identity:

= 99² - 98² = (99+98) (99-98)

= 197 × 1

= 197 {Answer}