Evaluate (998)square
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Posted by Prashant Rao 4 years, 1 month ago
- 1 answers
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Yogita Ingle 4 years, 1 month ago
(998)2
(1000-2)2
we know that
{tex}(a-b)^2=a^2 +b^2-2ab{/tex}
put a= 1000. b=2
{tex}=1000^2 + 2^2 -2×1000×2{/tex}
= 1000000 + 4 -4000
= 1000004 - 4000
= 996004
1Thank You