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by nate808
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nate808
#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)
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Tide
#2
Oct10-05, 12:30 AM
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P: 3,147
Are you familiar with partial fractions? If so then you can do the sum very easily! :)
Moonbear
#3
Oct10-05, 12:54 AM
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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!

nate808
#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
#5
Oct10-05, 11:09 PM
P: 56
nvm--i figured it out--thanks for the help


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