SOLUTION: Find the arithmetic mean an of the given terms An-1=100, an+1=140

SOLUTION: Find the arithmetic mean an of the given terms An-1=100, an+1=140

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Question 431805: Find the arithmetic mean an of the given terms
An-1=100, an+1=140
Answer by shree840(260) (Show Source): You can put this solution on YOUR website!
I presume An is the arithmetic mean
an-1=100 an=101
an+1=140 an=139
question is not clear ANS
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