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If Dr=|[r,1,(n(n+1))/(2)],[2r-1,4,n^2],[...

If `D_r=|[r,1,(n(n+1))/(2)],[2r-1,4,n^2],[2^(r-1),5,2^(n)-1]| then, `sum_(r=1)^n D_r`

A

0

B

1

C

`(n(n+1)(2 n+1))/(6)`

D

none of these

Text Solution

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The correct Answer is:
A
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HIMALAYA PUBLICATION-MATRICES AND DETERMINANTS-QUESTION BANK
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