Math, asked by ishikajeet721, 1 year ago

S1 ={1} S2={2,3} S3={4,5,6} and so on find the first term in S10 and the sum of all terms in in S15

Answers

Answered by queen77

0

Answer:

S10{11,12,13,14,15,16,17,18,19,20} =S10=11

Step-by-step explanation:

S15 =344

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