Math, asked by likhitha16, 7 months ago

if an=3n-1,. then S2 =

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Answered by yoyostar

9

Answer:

please see attached file

Step-by-step explanation:

please mark me as brainliest

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Answered by classofankur

6

Answer:

7

Step-by-step explanation:

solution is in the attachment

Attachments:

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