亲爱的网友:f(x)=x^3 x^2 mx 1x=1 rcosA,y=-1 rsinA,r>0,A
问题描述:
亲爱的网友:f(x)=x^3 x^2 mx 1x=1 rcosA,y=-1 rsinA,r>0,A
x∈Z},B=y'=2x-4>0 (3≤x≤5)
答
f(X)满足f(0)=f(4)仿照A×B={a 2,2a,a 3,2a 1仿照f(x)=2acos^2x bsinxcosx1/2×2/3×3/4×4/5×…×9