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Question
Evaluate: 372 – 362
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Solution
372 – 362
Using property, for any natural number n,
(n + 1)2 – n2 = (n + 1) + n
⇒ (36 + 1)2 – 362 = (36 + 1) + 36
⇒ 372 – 362 = 37 + 36
⇒ 372 – 362 = 73
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