Supposing that the first term is obtained for [tex][tex]u_6=6+(6-1)(-2)=6+5\times(-2)\\=6-10\\=-4\\\text{We deduce the sixth term o the sequence is the following:} -4[/tex]=6+0\times(-2)=6[/tex]
then we obtain the sixth term by setting n = 6 in the formula like this:
