Question

more complicated sigma notation:

Answer 1

\[\sum_{n=1}^{infinity}-2+5n\]

Answer 2

find the 5th partial sum

Answer 3

@waterineyes @primeralph

Answer 4

just keep adding to infinity lol..........

Answer 5

Wow!..

Here @Zarkon will help you.
I know simple ones of sigma notations..

Answer 6

lol, told you it was getting hard

Answer 7

you do not need to go to infinity if you are just finding the 5th partial sum

Answer 8

ok

Answer 9

Then it is getting hard not for you but for me too.. :)

Answer 10

@Zarkon I was just kidding

Answer 11

sum the first 5 terms

Answer 12

the infinite sum is divergent anyway

Answer 13

-2+5(1)...?

Answer 14

Oh I think I did not get the question right..:)

Answer 15

Yes, go ahead..

Answer 16

[-2+5(1)]+[-2+5(2)]+[-2+5(3)]+[-2+5(4)]+[-2+5(5)]

Answer 17

Good..

Answer 18

-2+5 -2+10 -2+15 -2+20 -2+25
3 8 13 18 23

Answer 19

65

Answer 20

thanks so much guys

Answer 21

yeahhhhhhhhhhhhhhhhh