Sequence and series (Am Gm Hm)

If positive numbers a,b,c are in A.P and a^2,b^2,c^2 are in H.P then (a)a=b=c (b)2b=a+c (c)b^2=√ac/√8
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1 Answer

What are you trying to ask? I don't know how to solve this.
by Level 3 User (2.7k points)

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