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If a,b,c are in H.P., then the value of ...

If a,b,c are in H.P., then the value of
`((1)/(b)+(1)/(c)-(1)/(a))((1)/(c)+(1)/(a)-(1)/(b))` is

A

`(2)/(bc) + (1)/(b^(2))`

B

`(3)/(c^(2)) + (2)/(ca)`

C

`(3)/(b^(2)) - (2)/(ab)`

D

None of these

Text Solution

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The correct Answer is:
C
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DISHA PUBLICATION-SEQUENCES AND SERIES -EXERCISE -1 : Concept Builder
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