Question

simplify using identity :-
98×102
​

Answer 1

(98×102)

We can write98=100-2

and102=100+2

Let a=100

and b=2=(100-2) (100+2)

Identity=(a+b) (a-b)= (a square-b square)=(100 square-2 square)=1000-4=9996 Ans

Answer 2

Answer:

(100-2)×(100+2)

tis is in the form (a+b) (a-b) =a^-2ab+b^

10000-400+4

=9,604

hey mate this is the crct answer