[問卦] 1 + 2 + 3 + ......+ ∞ = -1/12 ?
最近研究數學
發現了一個很詭異的方程式
1 + 2 + 3 + ...... + ∞ = -1/12
而且這還有個稱呼叫 拉馬努金求和(英語:Ramanujan summation)
明明是一堆正整數相加,竟然會變成負的
而且怎麼會出現分子跟分母1跟12這兩個數字
有人能解釋一下嗎?
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