Question
If the aritmetic, geometric and harmonic menas between two positive real numbers be A, G and H, then
Answer: Option D
:
D
Let A = a+b2, G =√ab and H = 2aba+b.
Then G2 = ab ..................(i)
and AH = (a+b2).2aba+b = ab ................(ii)
From (i) and (ii), we haveG2 = AH
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:
D
Let A = a+b2, G =√ab and H = 2aba+b.
Then G2 = ab ..................(i)
and AH = (a+b2).2aba+b = ab ................(ii)
From (i) and (ii), we haveG2 = AH
Was this answer helpful ?
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