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Question

State true or false:
a1,a2,a3+R then, (a1+a2+a3)(1a1+1a2+1a3)9

A
True
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B
False
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Solution

The correct option is A True

We know that A.M.G.M. and G.M.H.M.
therefore A.M.H.M.

a1+a2+a3331a1+1a2+1a3

(a1+a2+a3)331a1+1a2+1a3

(a1+a2+a3)(1a1+1a2+1a3)33

(a1+a2+a3)(1a1+1a2+1a3)9


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