  Math Central - mathcentral.uregina.ca  Quandaries & Queries    Q & Q    Topic: general term   start over

4 items are filed under this topic.    Page1/1            Two sequences 2016-08-20 From Ting:The first four terms of a sequence are 4, 20, 56 and 120. By comparing with the nth term of sequence 1,5,14 and 30 which is 1/6n(n+1)(2n+1), find a formula for nth term. Can you precisely show out how you do this questions ( with the steps please)Answered by Penny Nom.     The nth term of a sequence 2012-10-19 From Emily:I don't understand how to do this question: Nth term for 9, 7, 5, 3, 1 Is there a fast way to do nth term for this question? Or in fact any question?Answered by Penny Nom.     nth term 2008-10-22 From jen:what is a nth term and how do i find the nth term of any sequenceAnswered by Penny Nom.     Finite differences 2003-02-10 From Jenny:I need to find a formula that will work with any number. I am finding the volume of a 3d cross- shape. Here are my results so far: ```Term Number 0 1 2 3 4 5 nth term 1 7 25 63 129 231 1rst diff 6 18 38 66 102 2nd diff 12 20 28 36 3rd diff 8 8 8 ``` I can't seem to find a formula that will work with any number. Any help would be much appreciated. Answered by Penny Nom.      Page1/1    Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences.    about math central :: site map :: links :: notre site français