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(1+x)^n=1+nx/1!+(n(n-1) x^2)/2!+⋯+ what are the last few terms of this ? I looked and tried but don't seem to get any text book answer for this.
just write out the last three terms …Thank you . Can I prove with the help of this :
(1+n)n ≥ 5/2nn- 1/2n n-1