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The value of lim(n to oo) ([r]+[2r] +….+...

The value of `lim_(n to oo) ([r]+[2r] +….+[nr])/(n^(2))`,
where r is a non-zero real number and [r] denotes the greatest integer less than or equal to r, is equal to :

A

r

B

2r

C

0

D

`r/2`

Text Solution

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The correct Answer is:
D
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