亲爱的网友：f(x)=1g(x)=x^0bf(x)=x-1g(x)=x^2/x-1a(a2-2ab-b2)-b(2a2ab-b2)23x(-5)-(-3)/(3/128)A=2×2×3×5×7,B=2×3×3×5×7

Question

亲爱的网友：f(x)=1 g(x)=x^0 b f(x)=x-1 g(x)=x^2/x-1a(a2-2ab-b2)-b(2a2 ab-b2)
23x(-5)-(-3)/(3/128)A=2×2×3×5×7,B=2×3×3×5×7

Answer 1

f（x）=logaAD=AB BD=AB BC/2比较x-1| 3 <= x^2比较f（x）=loga