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If three real numbers a,b and c are in h...

If three real numbers a,b and c are in harmonic progression, then which of the folllowing is true ?

A

`1/a , b,1/c` are in A.P.

B

`1/(bc),1/(ca),1/(ab)` are in H.P.

C

ab, bc, ca are in H.P.

D

`a/b,b/c,c/a` are in H.P.

Text Solution

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The correct Answer is:
B
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