problem


by nate808
Tags: None
nate808
nate808 is offline
#1
Oct9-05, 08:34 PM
P: 56
how would you solve for the sum of the first 50 terms of 1/(n(n+1))
I know how to do it if there is a common denominator--but i cant seem to find one here, can someone please help(btw, question on a test i just had that i couldt figure out, not hw)
Phys.Org News Partner Science news on Phys.org
Cougars' diverse diet helped them survive the Pleistocene mass extinction
Cyber risks can cause disruption on scale of 2008 crisis, study says
Mantis shrimp stronger than airplanes
Tide
Tide is offline
#2
Oct10-05, 12:30 AM
Sci Advisor
HW Helper
P: 3,149
Are you familiar with partial fractions? If so then you can do the sum very easily! :)
Moonbear
Moonbear is offline
#3
Oct10-05, 12:54 AM
Emeritus
Sci Advisor
PF Gold
Moonbear's Avatar
P: 12,257
Any question related to your coursework should go in homework help, even questions about old exams. Hang on, I'm going to send the thread for a ride over!

nate808
nate808 is offline
#4
Oct10-05, 11:03 PM
P: 56

problem


i dont exactly understand what finding a partial fraction would do in order to help find the sum--could u please explain( i believe the partial fractions ar 1/n - 1/n+1
nate808
nate808 is offline
#5
Oct10-05, 11:09 PM
P: 56
nvm--i figured it out--thanks for the help


Register to reply

Related Discussions
HARD problem on mathematical problem and fourier series Math & Science Software 0
[SOLVED] Thermal Stress Problem + Tensions Problem Engineering, Comp Sci, & Technology Homework 4
Problem with find angle btw vectors (magnetism problem) Introductory Physics Homework 2
Is Mexico's racism problem driving the U.S. immigration problem? Current Events 8
Having a problem with a fairly early Physics with Calculus 1 problem Introductory Physics Homework 4