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If three positive unequal numbers a, b, ...

If three positive unequal numbers `a, b, c` are in H.P., then

A

`a+c gt 2b`

B

`a^(2)+c^(2) gt 2b^(2)`

C

`a^(2)+c^(2) gt 2ac`

D

none of these

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The correct Answer is:
A, B, C
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