if x,/x+1/,/x-1/ are three terms of an ,then sum upto 20 terms is

Asked by paritosh jain | 16th Apr, 2013, 10:23: AM

Expert Answer:

Your question is not clearly written. x, x+1 and x-1 can not be in an AP as they don't have a constant common difference. 

Answered by  | 17th Apr, 2013, 07:51: AM

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