Shankar Sivarajan comments on Intuition for 1 + 2 + 3 + … = −1/12

Shankar Sivarajan 18 Feb 2024 21:22 UTC
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Mathematica yields $\frac{e^{(1 + i) x} (e^{2 i x} - 4 e^{(1 + i) x} + e^{2 x} + e^{(2 + 2 i) x} + 1)}{2 {(- e^{x} + e^{i x})}^{2} {(- 1 + e^{(1 + i) x})}^{2}}$ . That probably simplifies though.