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math question!! help help

• 黃大仙靈籤 43 及 56 關於醫生
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• 黃大仙靈籤 43 及 56 關於醫生
• 我BB女光光昨日上午10-44分出世改嗎名好-
• 測驗溫習唔識!!@1@

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發問:

someone is a famous mathematician born in the early 19th centaury , once that his age was X in the year X square (X2) , in which year was he born? please help me!!!

最佳解答:

This question cannot be soloved generally by formulae . But the answer of this question is obvious. Let A be the year he was born . 1801
其他解答:

He was born in 1806. When he was x = 43 years old, the year was 1806 + 43 = 1849 = 43^2. 2008-09-06 12:58:38 補充： Note: The only number between 1800 and 1900 is a perfect square is 1849.