Using identity............
Plz solve it
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Answered by
2
Answer:
(90+8)²
90²+8²+2*90*8
8100+64+1440
9604
Step-by-step explanation:
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Answered by
1
Answer:
hiii
your answer is here. !
Step-by-step explanation:
We can write (98)^2 as ( 100 - 2)^2
Therefore it is our (a-b) ^2 Identity!
So,
(100-2)^2 = (100)^2 + (2)^2 - 2(100)(2)
= 10000 + 4 - 400
Which is equal to
=10004-400 = 9604
Therefore 98^2 = 9604
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