Math, asked by prabha166533211, 6 months ago

In an AP, if a=1,an=20 and Sn = 399, then n=? 2. See answers.

Answers

Answered by sarswatithakur327

0

Answer:

i dont no

Step-by-step explanation:

i dont no yrrntftyuut4tyuuittddtyuoiuuuytytrraaeeryytrdty

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