Is the series seriously in series?

Algebra Level 2

What is 25th term of the series : : 20 , 177 , 808 , 2585 , 6636 , 14665 , 29072 , 20,177,808,2585,6636,14665,29072,\dots

Note that the fifth finite difference of the consecutive terms of this series is constant.


The answer is 11440676.

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1 solution

Prince Loomba
Oct 11, 2016

A fifth degree polynomial with 6 variable 6 equations. Solve and put x=25. A tedious task!

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