CBSE BOARD XII, asked by idk85, 1 year ago

Find 102² - 98².........

Answers

Answered by Anonymous
21

Find 102² - 98².

Good question,

Here is your perfect answer!

= 102² - 98²

By identity of a² - b²,

= (102+98) (102-98)

= 200*4

= 800.

Answered by Anonymous
4
USING IDENTITY

a^2-b^2 = (a+b) (a-b)

(102+98) (102-98)

=( 200) (4)

Answer = 800

hope it helps uh.❤✌❤✌
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