Question 1094701
<pre>
The formula for a<sub>n</sub>, given n, a<sub>1</sub> and d is

{{{a[n]}}}{{{""=""}}}{{{a[1]+(n^""-1)d}}}

So plug in 

n = 14, a<sub>1</sub> = 17, and d = 6 like this:

{{{a[14]}}}{{{""=""}}}{{{(17)^""+((14)^""-1)(6)}}}

Then simplify.

Edwin</pre>