# Math Help - arithemetic question

1. ## arithemetic question

what is the nth term in the arithemetic sequence of first term U1=3 and of the second term U2=6???

2. ## Re: arithemetic question

$u_n=u_1+(n-1)\cdot d$

3. ## Re: arithemetic question

Originally Posted by lebanon
what is the nth term in the arithemetic sequence of first term U1=3 and of the second term U2=6???
\displaystyle \begin{align*} t_n = a + (n - 1)d \end{align*}.

You have the first term, and surely you can find the difference.