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Please give me the answer for
Insert a A.M. betweeb 5 and 20.
Anitha.
AM(arithemetic mean) = a+b/2
here in this question a = 5 & b = 20 so
AM = 20+5/2 = 25/2
now series is 5 , 25/2 , 20
common difference = 15/2 & first term is 5
approve if u like my ans
assume the arithmetic mean to be A
so the sequence now is
5 , A , 20
A = (a+b)/2 where a = 5 , b = 20
so A = ( 20+5 )/2
A = 25/2
Please approve
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