Find the value of 399^2
- 398^2
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Answered by
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Answer:
Step-by-step explanation:
Given that,
( 399 )² - ( 398 )²
= ( 399 - 398 ) ( 399 + 398 ) (∵ a² - b² = ( a - b ) ( a + b ) )
= 1 ( 797 )
= 797 is the answer.
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Answer:
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Step-by-step explanation:
399^2 = 399*399 =159,201
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