find 56² - 44² using identity
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Answered by
9
Answer:
56*56 - 44*44
3136 - 1936
1200
Answered by
3
Answer:
56² - 44²
(55 - 44)(55 + 44) [a² - b² = ( a + b)( a - b)]
11 × 100
1100
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