what is the suitable identities of 992^2
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Answer:
TO FIND:
(992)²
HOW TO FIND:
1000-8 = 992
(1000-8)² = (992)²
(A-B)² = A² + B²- 2AB
A = 1000
B = 8
(1000)² + (8)² - 2(1000×8) = (992)²
1000000 + 64 - 2(8000) = (992)²
1000064 - (16000) = (992)²
984064 = (992)²
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