Calculus: We consider telescoping series and their construction. Examples are (a) sum 1/(n^2 + n), (b) sum (2n+1)/(n^4+2n^3+n^2), and (c) sum (1/2)^{n+1}.
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Why do your partial fractions go from (A/n) + (B/n+1) to (1/n) - (1/n+1)? In other words, I'm wondering why you go from adding the two partial fractions to subtracting them?
@zeedeveel421 A=1 and B= -1. The few lines below the statement show how we solve for A and B. Hope that helps. - Bob
MathDoctorBob 4 months ago
Why do your partial fractions go from (A/n) + (B/n+1) to (1/n) - (1/n+1)? In other words, I'm wondering why you go from adding the two partial fractions to subtracting them?
zeedeveel421 4 months ago
@shawnvega Thanks for the comment. Sorry about that. I'll see if I can fix it.
MathDoctorBob 11 months ago
cool video, but some of the writing on the board is too small to read.
shawnvega 11 months ago