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수악중독

HMMT 2015 Algebra #3 본문

HMMT/2015

HMMT 2015 Algebra #3

수악중독 2015. 3. 15. 08:39

Let P be a real number and c0c \ne 0 an integer such thatc0.1<xp(1(1+x)101+(1+x)10)<c+0.1 c-0.1 < x^p \left ( \dfrac{1-(1+x)^10}{1+(1+x)^10} \right ) < c+0.1 for all (positive) real numbers xx with 0<x<101000<x<10^{-100}. (The exact value 1010010^{-100} is not important. You could replace it with any "sufficiently small number".) Find the ordered pair (p,  c)(p, \;c)