Math Is Fun Forum

Daniel123

Member

Registered: 2007-05-23

Posts: 663

Summation

Evaluate for all real x:

The solution I have is:

Replacing x by

and dividing both sides by

and summing to n gives (before taking the limit as n tends to infinity):

Could someone please explain this last step?

Thanks

Last edited by Daniel123 (2009-02-06 03:52:38)

Daniel123

Member

Registered: 2007-05-23

Posts: 663

Re: Summation

Don't worry, I get it. It forget it helps to actually write things down when doing maths.

Last edited by Daniel123 (2009-02-06 03:56:40)

JaneFairfax

Member

Registered: 2007-02-23

Posts: 6,868

Re: Summation

EDIT: I clicked “Post reply” and left the room for too long.

Last edited by JaneFairfax (2009-02-06 04:05:19)

Daniel123

Member

Registered: 2007-05-23

Posts: 663

Re: Summation

Haha Thanks Jane