evalute the 1982² by suitable identities
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Step-by-step explanation:
1982 can also be written as (2000-18)
=(2000-18)^2
[since (a+b)^2=a^2+b^2+2ab]
=4000000+324-2×2000×18
=4000324-72000
=3928324
Hope this helps you:)
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