Question

evaluate 102^2-101^2 using identities​

Answer 1

Answer:

102^2-101^2

( here identity is a^2 - b^2)

(102 + 101 ) ( 102 - 101)

( 203 ) ( 1)

203

Step-by-step explanation:

here is your answer ☺️.

Answer 2

102^2-101^2

=(100+2)^2-(100+1)^2

=(10000+400+4)-(10000+200+1)

=10404-10201

=203

{Identity used:- (a+b) ^2}