Find the sum of the first 27 terms
of the arithmetic sequence.
First, fill in the equation.
a₁
= 5 and a27
Sn = 2/(a₁ + an)
Sn
=
[?]
2
+
=
83

Find the sum of the first 27 terms of the arithmetic sequence First fill in the equation a 5 and a27 Sn 2a an Sn 2 83 class=