2)/(3x-1)x=1 rcosA,y=-1 rsinA,r>0,A
问题描述：
2)/(3x-1)x=1 rcosA,y=-1 rsinA,r>0,A
f(x2)-f(x1)=loga(x2^2-ax2)-loga(x1^2-ax1)f(x)=x^5/5-ax^3/3 (a 3)x a^2
答
1/2×2/3×3/4×4/5×…×98/99×99/100∩｛P丨PA=PC}因为(a-b)/sin(a-b)因为1/2×2/3×3/4×4/5×…×98/99×99/100