Finding Term General Formula

Algebra Level 2

Check this other problem and find the Term General Formula of the sequence in that problem

2 n 2 10 2{ n }^{ 2 }-10 n 2 + 10 2 \frac { { n }^{ 2 }+10 }{ 2 } ( 1 n ) ( n 12 ) 2 \frac { \left( 1-n \right) \left( n-12 \right) }{ 2 } ( n 2 ) ( n + 6 ) 2 n \frac { (n-2)(n+6) }{ 2n }

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2 solutions

Pranjal Jain
Oct 7, 2014

a 1 = 0 , a_{1}=0, which is satisfied by a n = ( 1 n ) ( n 12 ) 2 o n l y ! a_{n}=\frac{(1-n)(n-12)}{2} only!

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