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If three real numbers a, b, c are in Har...

If three real numbers a, b, c are in Harmonic Progression, then which of the following 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.

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2008-MULTIPLE CHOICE QUESTIONS
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