Juliakinga
Badges: 10
Rep:
?
#1
Report Thread starter 1 year ago
#1
Use sigma notation to write these sums
1^5+2^5+3^5...n^5

Could someone give me some insight on how to do this?
0
reply
RDKGames
Badges: 20
Rep:
?
#2
Report 1 year ago
#2
(Original post by Juliakinga)
Use sigma notation to write these sums
1^5+2^5+3^5...n^5

Could someone give me some insight on how to do this?
Are you able to identify what the general term of this series is? Let's say it's the rth term, then what is it in terms of r ??
0
reply
Muttley79
Badges: 20
Rep:
?
#3
Report 1 year ago
#3
(Original post by Juliakinga)
Use sigma notation to write these sums
1^5+2^5+3^5...n^5

Could someone give me some insight on how to do this?
What is the general term with r as a veriable?

Then Sigma of that for r = 1 to r = n
0
reply
MarkFromWales
Badges: 10
Rep:
?
#4
Report 1 year ago
#4
(Original post by Juliakinga)
Use sigma notation to write these sums
1^5+2^5+3^5...n^5

Could someone give me some insight on how to do this?
What's the same in each term? ^5
What's changing? The base number 1, 2, 3, ..., n.
Let's use i to represent the base number (could use any letter).
So in the first term i = 1 and in the second term i = 2 and so on up to the last term where i = n.
So it's the sum (sigma) of i^5 with i going from 1 to n.
0
reply
Juliakinga
Badges: 10
Rep:
?
#5
Report Thread starter 1 year ago
#5
(Original post by RDKGames)
Are you able to identify what the general term of this series is? Let's say it's the rth term, then what is it in terms of r ??
Would it be the power of 5
0
reply
Juliakinga
Badges: 10
Rep:
?
#6
Report Thread starter 1 year ago
#6
(Original post by Muttley79)
What is the general term with r as a veriable?

Then Sigma of that for r = 1 to r = n
So the general term is 5 so I would write it as n to the power of 5?
0
reply
Juliakinga
Badges: 10
Rep:
?
#7
Report Thread starter 1 year ago
#7
(Original post by MarkFromWales)
What's the same in each term? ^5
What's changing? The base number 1, 2, 3, ..., n.
Let's use i to represent the base number (could use any letter).
So in the first term i = 1 and in the second term i = 2 and so on up to the last term where i = n.
So it's the sum (sigma) of i^5 with i going from 1 to n.
Ahhh okay thank you!!
0
reply
Muttley79
Badges: 20
Rep:
?
#8
Report 1 year ago
#8
(Original post by Juliakinga)
So the general term is 5 so I would write it as n to the power of 5?
Depends what you are going to use on the sigma - you were given a general term so use that by as r^5 then put r = 1 to n
0
reply
X

Quick Reply

Attached files
Write a reply...
Reply
new posts
Back
to top
Latest
My Feed

See more of what you like on
The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

Personalise

Should there be a new university admissions system that ditches predicted grades?

No, I think predicted grades should still be used to make offers (707)
33.94%
Yes, I like the idea of applying to uni after I received my grades (PQA) (890)
42.73%
Yes, I like the idea of receiving offers only after I receive my grades (PQO) (393)
18.87%
I think there is a better option than the ones suggested (let us know in the thread!) (93)
4.46%

Watched Threads

View All
Latest
My Feed

See more of what you like on
The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

Personalise