求f(x)=x3-3x k,g(x)=(2kx-k)/(x2 2)1/2×2/3×3/4×4/5×…×9f(x)=loga(x^2-ax)在(-1/2,0)-1/2

问题描述:

求f(x)=x3-3x k,g(x)=(2kx-k)/(x2 2)1/2×2/3×3/4×4/5×…×9
f(x)=loga(x^2-ax)在(-1/2,0)-1/2

∴a b≥2√ab 1/(a b)≤1/2√ab.相对y=a^(2x-2),(a>0≠1)相对2 3b2≥λb(a b)1/2×2/3×3/4×4/5×…×98/99×99/100