1 the cumst nth man AP s qiventhe-Ap and-ーSn-sna-ndetermineind-ns – InterviewSolution

1.	1 the cumst nth man AP s qiventhe-Ap and-ーSn-sna-ndetermineind-ns
Answer» S1=3-1=2S2=3x4-2=10S3=3x9-3=24S4=3x16-4=44and so on the AP isa1=S1=2a2=S2-S1=10-2=8a3=S3-S2=24-10=14So the common diff is 6 and first term is 2the AP is 2,8,14,20,..the 25th term=a1+24d=2+24x6=146

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