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If a(1),a(2) , a(3),"……..",a(n) are in H...

If `a_(1),a_(2) , a_(3),"……..",a_(n)` are in H.P. , then `:`
`(a_(1))/( a_(2) + a_(3) +"........."+a_(n)),(a_(2))/(a_(1) + a_(3)+"..........."+a_(n)),"......",(a_(n))/(a_(1)+a_(2)+"........"a_(n-1))` are in `:`

A

A.P.

B

G.P.

C

H.P.

D

A.G.P.

Text Solution

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The correct Answer is:
C
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MODERN PUBLICATION-SEQUENCES AND SERIES -MCQ ( Level-II)
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  4. The value of sum(r=1)^(n) log ((a^(r ))/( b^(r-1))) is :

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  6. The sum of n terms of the series : (1)/( 1.2.3.4) + ( 1)/( 2.3.4.5) ...

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  9. If log(x)a,a^(x//2) and log(b)x are in G.P., then x equals :

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