If a(a), a (2), a (3),…., a(n) are in H....

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.P.

G.P.

H.P.

None of these

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VK JAISWAL-SEQUENCE AND SERIES -EXERCISE (SUBJECTIVE TYPE PROBLEMS)

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