Evaluate using suitable identities-497*505
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Answered by
6
Answer:
the answer is 250985 I hope it will help you
Answered by
8
Answer:
250985
Step-by-step explanation:
497= (500-7)
505= (500+5)
(a+b) (a-b) = a² - b²
(500+5) (500-3) = (505) (497)
=250985
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