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/sci/ - Science & Math

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>> No.11697492 [View]
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11697492

>>11697365
[math]5 \times 10 \times 15 \cdots \times 5n = 5^n n![/math]
Then the sum becomes [math]\sum_{i=1}^{\infty}(5x)^n[/math], which is geometric.

The proof I'm seeing scribbled on the background is autism.

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