Question Of the Day - QOD-03/06/13 find the sum

865

Soumyadeep Basu ·2013-06-08 09:36:10

2n³-3n²+3n-1.

1357

Manish Shankar ·2013-06-08 06:59:32

its not tough..

just try this

145

Ranadeep Roy ·2013-06-08 18:50:26

There will be (n+2) terms in nth bracket.
The last term will be n² and first term of the bracket will be (n-1)² +1
Now Ap summation

UP 0 DOWN 1
Soumyadeep Basu In the n-th bracket, there will be (2n-1) terms.
Upvote·0· Reply ·2013-06-08 21:24:43
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QOD-03/06/13 find the sum