Announcements
This discussion is closed.
#1
prove that the difference between the product of all cubes upto that of natural number n and the product of all integers upto n is a multiple of three.
0
14 years ago
#2
(n!)^3 - n! = n!((n!)^2 - 1) = n!(n! - 1)(n! + 1) is a product of three consecutive integers and hence is divisible by 3.
0
#3
nice work.
takes a lot longer to makea problem than solve it usually !
0
X
new posts
Back
to top
Latest
My Feed

Oops, nobody has postedin the last few hours.

Why not re-start the conversation?

see more

See more of what you like onThe Student Room

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

University open days

• Cardiff Metropolitan University
Sat, 19 Oct '19
• Coventry University
Sat, 19 Oct '19
• University of Birmingham
Sat, 19 Oct '19

Poll

Join the discussion

Why wouldn't you turn to teachers if you were being bullied?

They might tell my parents (23)
6.74%
They might tell the bully (33)
9.68%
I don't think they'd understand (52)
15.25%
It might lead to more bullying (131)
38.42%
There's nothing they could do (102)
29.91%