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If `a_(a), a _(2), a _(3),…., a_(n)` are in H.P. and `f (k)=sum _(r =1) ^(n) a_(r)-a_(k) ` then `(a_(1))/(f(1)), (a_(2))/(f (2)), (a_(3))/(f (n))` are in :

A

A.P.

B

G.P.

C

H.P.

D

none of these

Text Solution

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The correct Answer is:
C
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