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If a, b, c are distinct real numbers suc...

If `a, b, c` are distinct real numbers such that a, b, c are in A.P. and `a^2, b^2, c^2` are in H. P , then

A

`a=b=c`

B

`2b=3a+c`

C

`b^(2)=sqrt(ac//8)`

D

none of these

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A
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