Evaluate the following products without
actual multiplication
999 × 999
Answers
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Step-by-step explanation:
(999)²
(1000-1)²
(a-b)² = a² -2ab + b²
(1000-1)² = (1000)² - 2 × 1000 × 1 + (1)²
= 1000000 - 2000 + 1
= 998001
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