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Nikitich [7]
2 years ago
13

Help me plssssssssssssssssssssssss

Mathematics
1 answer:
BartSMP [9]2 years ago
5 0
X=17.2 ksndnenndkwmwkmwmejfbnfkfkfkfnnf
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\boxed{\pink{\tt \leadsto Sum \ of \ first \ five \ terms \ is \ 50 . }}

Step-by-step explanation:

Given that , the sum of the first nine terms of an arithmetic series is 162 and the sum of the first 12 terms is 288.

\boxed{\red{\bf \bigg\lgroup For \ answer \ refer \ to \ attachment \bigg\rgroup  }}

<h3><u>Related</u><u> </u><u>Infor</u><u>mation</u><u> </u><u>:</u><u>-</u><u> </u></h3>

• The sum of n terms of an AP is

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