说说y=(m 6)x^2 2(m-1)x m 1x=1 rcosA,y=-1 rsinA,r>0,A
问题描述:
说说y=(m 6)x^2 2(m-1)x m 1x=1 rcosA,y=-1 rsinA,r>0,A
loga[(x2^2-ax2)/(x1^2-ax1)]>0所以|x|=0
答
y=x^3 x-2mx2-(1-m)x 1>0比如f(-x 5)=—f(x 5)还是—f(x-5)比如y=x^3 x-2