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Consider an AP with first term a and the...

Consider an AP with first term a and the common difference 'd' Let `S_k` denote the sum of its first k terms. If `S_(kx)/S_x` is independent of x then

A

a=d/2

B

a=d

C

a=2d

D

none of these

Text Solution

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The correct Answer is:
C
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PATHFINDER-PROGRESSION AND SERIES -QUESTION BANK
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  19. The cubes of the natural numbers are grouped as 1^3,(2^3,3^3),(4^3,5^3...

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  20. Let f(n)=[1/2+n/100] where [x] denote the integral part of x. Then th...

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