The terms of a sequence
Algebra
Level
pending
The 1st term of a sequence is 1, and the 1001th term is 500501, and the common difference increases by 1 every number up, what is the 501th term?
125752
250500
250501
125750
125751
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1 solution
The solution is, 1+(1+2+3+...+501), which equals 125752. I'll write actual solution later.