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If p be the first of n arithmetic means between two numbers and q be the first of n harmonic means between the same two numbers, prove that q cannot lie betweenp (n+1/n-1)^2 & p.

jaymin prajapati , 11 Years ago
Grade 12
anser 1 Answers
sudhir pal

Last Activity: 11 Years ago

we can use AM> GM> HM

lets p>0 that means p (n+1/n-1)^2 > p from above p > q (also can be proved for negative p)
hence we can say thatq cannot lie between p (n+1/n-1)^2 & p.
other solution is also attached
Thanks & Regards
Sudhir,
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