Question

Find the sum of the first 50 terms below. an=3n+2

Answer 1

Explanation:

1st term = a(1) = 3(1) + 2 = 5

50th term = a(50) = 3(50) + 2 = 152

Sum of first 50 terms = (5 + 152) * (50/2) = 3925.