evaluate 102^2-101^2 using identities
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Answered by
1
Answer:
203
Explanation:
(100+2)²-(100+1)²
(10000+4+400)-(10000+1+200)
100404-100201
203
Answered by
1
Answer:
203
Explanation:
(100+2)²-(100+1)²
= (10000+4+400)-(10000+1+200)
= 100404-100201
= 203
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