Register to reply


by nate808
Tags: None
Share this thread:
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
World's largest solar boat on Greek prehistoric mission
Google searches hold key to future market crashes
Mineral magic? Common mineral capable of making and breaking bonds
Oct10-05, 12:30 AM
Sci Advisor
HW Helper
P: 3,147
Are you familiar with partial fractions? If so then you can do the sum very easily! :)
Oct10-05, 12:54 AM
Sci Advisor
PF Gold
Moonbear's Avatar
P: 12,271
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!

Oct10-05, 11:03 PM
P: 56

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
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
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