Write 5+7+9+11+13+15+17 in sigma notation.
3 answers
What is the common factor that we are adding each time?
7
∑ (2i + 3)
i = 1
∑ (2i + 3)
i = 1
so we're looking at something that looks like:
∑Number+2n
The "Number" will depend on where you want to start your summation. Usually, we begin from n = 0 or from n = 1. We'll need to make that choice now. Which would you like to do?
∑Number+2n
The "Number" will depend on where you want to start your summation. Usually, we begin from n = 0 or from n = 1. We'll need to make that choice now. Which would you like to do?