设f(k)是满足不等式log2x+log2(3?2k-1-x)≥2K-1,(k∈N)的自然数x的个数, (1)求f(x)的解析式; (2)记Sn=f(1)+f(2)+…+f(n),求Sn解析式; (3)记Pn=n-1,设Tn=log2(Sn-Pn) | log2(Sn+1-Pn+1)-10.5 | ,对任意n∈N均有Tn<m成立,求出整数m的最小值. |
与“设f(k)是满足不等式log2x+log2(3•2k-1-x)≥2K-1,(k∈N)的自然数x的个数,(1)求f(x)的解析式;(2)记Sn=f(1)+f(2)+…+f(n),求Sn解析式;(3)记Pn=n-1,设Tn=log2(Sn-Pn)log2(Sn+”考查相似的试题有: