+0

0
265
4

$$15\sum n=1 (2n-1)$$

I got that all messed up but basically the 15 goes over the sum and n=1 goes below it and (2n-1) is on the right hand side.

I'm supposed to find the sum of the series but I can't really figure out how to do this...

Mar 11, 2019

#1
+30940
+3

If you mean  $$\sum_{n=1}^{15}(2n-1)$$ then the following should help:

Can you take it from here?

Mar 11, 2019
#2
0

Yes that's exactly what I meant, I tried figuring it out with the help of YouTube videos and I ended up with   https://snag.gy/qGM8Vn.jpg

Is that correct?

Guest Mar 11, 2019
#3
+30940
0

Yes. 225 is the correct result.

Alan  Mar 11, 2019
#4
0

thank you so much!

Guest Mar 11, 2019