Here's the question you clicked on:
liliy
find the first 10 terms of the sequence whose nth term is 3^n -2^n :
put n=1 to 9 so ans is 0 1 5 19........
k thats wat i thouht thanks.
how abt this one":the nth term, is the sum of the first n positive integer
is it 0,1,2,,3,6,10,15,21,28,36?