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The odd numbers are divides as follows :...

The odd numbers are divides as follows `:`
`{:(,,1,3,,),(,5,7,9,11,),(13,15,17,19,21,23):}` `"…………………………………………………….."` then the sum of nth row is `:`

A

`2^(n-1) [2^(n) + 2^(n-1) -1]`

B

`(1)/(2) ( 2n+1)`

C

2n

D

`4n^(3)`

Text Solution

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The correct Answer is:
D
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MODERN PUBLICATION-SEQUENCES AND SERIES -MCQ ( Level-II)
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  14. The odd numbers are divides as follows : {:(,,1,3,,),(,5,7,9,11,),(1...

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  15. If x(1), x(2), x(3) as well as y(1) , y (2) , y (3) are in G.P. with t...

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