Question
1904 x 1904 = ?
Answer: Option C
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1904 x1904 =` (1904^2)` = `(1900 + 4)^2`
=`(1900)^2` + `4^2` +2 x 1900 x 4 = 3610000 + 16 + 15200
=3610016 + 15200 = 3625216
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