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Question
Find the square of the given number.
46
Solution
462 = (40 + 6)2
= (40 + 6) (40 + 6)
= 40 (40 + 6) + 6 (40 + 6)
= 402 + 40 × 6 + 6 × 40 + 62
= 1600 + 240 + 240 + 36
= 2116
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