Question 1083476

Evaluate each arithmetic series described. 
A1=3/2 d=1/2 n=50
<pre>{{{a[n] = a[1] + (n - 1)d}}}
{{{highlight_green(matrix(1,3, a[50] = 3/2 + (50 - 1) * (1/2), "=", 26))}}}