please solve it..!!!!!!
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Q The harmonic mean of two numbers is 4.Their arithmetic mean A and the geometric mean G satisfy the relation.
2A + 3G = 27.
find numbers.????
Answers
Answered by
10
Let numbers be x and y.
Then, A=
2
1
(x+y),
xy
=G or G
2
=xy
and
x+y
2xy
=4
⇒G
2
=4A
Also, 2A+G
2
=2A+4A=27⇒A=
2
9
So, x+y=9,xy=18
Hence, numbers are 6 and 3.
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Answered by
2
Answer:
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