Question

Write the series using Summation notation.
1+ 4 + 9 + 16 + 25 + ...

Answer 1

b = 6

c = n²

Explanation:

Answer 2

1+ 4 + 9 + 16 + 25 + 36 + 49

Explanation:

difference between consecutive squares:

1 to 4 = 3

4 to 9 = 5

9 to 16 = 7

16 to 25 = 9

25 to 36 = 11