For any x > -1 and n e N, (1 + x )^n >= 1 + nx
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Originally Posted by treetheta For any x > -1 and n e N, (1 + x )^n >= 1 + nx What do you want? This is one of the most basic problems. Do you know how to do proofs by induction?
im not sure if i did it right/ on the right track (1 + x)^k >= 1 + kx assume that is true for k e n we need to prove for k+1 (1 + x)^(k+1) >= 1 + (k+1)x ((1+x)^k)*(1+k) >= wwat... edit: nvm i see what to do now.
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