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The arithmetic mean of two positive numb...

The arithmetic mean of two positive numbers a and b exceeds their geometric mean by 2 and the harmonic mean is one - fifth of the greater of a and b, such that `alpha=a+b and beta=|a-b|`, then the value of `alpha+beta^(2)` is equal to

A

96

B

234

C

74

D

84

Text Solution

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The correct Answer is:
C
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