17.1k views
5 votes
Please help I’m very confused

Please help I’m very confused-example-1
User SmiffyKmc
by
8.7k points

1 Answer

3 votes

Answer:

147

Explanation:

The ∑ symbol means sum the term inside 4n + 1 from n = 2 to n = 8

Substitute n = 2, 3, 4, 5, 6, 7, 8 into the expression and sum the results , that is

4(2) + 1 + 4(3) + 1 + 4(4) + 1 + 4(5) + 1 + 4(6) + 1 + 4(7) + 1 + 4(8) + 1

= 9 + 13 + 17 + 21 + 25 + 29 + 33

= 147

User Nataki
by
8.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories