Question

Can someone explain question 2A-11 (Problem Set 3) from MIT's OCW Calculus class?

http://ocw.mit.edu/courses/mathematics/18-01sc-single-variable-calculus-fall-2010/part-a-approximation-and-curve-sketching/problem-set-3/MIT18_01SC_pset2prb.pdf

I don't understand the solution they come up with and can't get the problem started using what I learned via the lecture videos.

Solution provided for 2A-11:
http://ocw.mit.edu/courses/mathematics/18-01sc-single-variable-calculus-fall-2010/part-a-approximation-and-curve-sketching/problem-set-3/MIT18_01SC_pset2sol.pdf

Answer 1

Binomial expansion can then be used to expand the binomial raised to -k.