Find the number n such that ∑i=1^n i = 190

Name: Find the number n such that ∑i=1^n i = 190
Uploaded: 2022-05-16T11:52:45-08:00
Duration: 1 min 11 s
Channel: Yujie Wang
Description: Find the number n such that ∑i=1^n i = 190

Question

Yujie Wang · Accepted Answer

Step 1: The formula for the sum of the first n natural numbers is given by: ∑_(i=1)^n i = n(n+1)

Question

Find the number $n$ such that $\sum_{i=1}^{n} i = 190$

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