设极限limf(x) (x→1)存在,且f(x)=3x²+2xlimf(x) (x→1),求f(x)
设极限limf(x) (x→1)存在,且f(x)=3x²+2xlimf(x) (x→1),求f(x)
设极限limx→1f(x)存在,且f(x)=3x∧2+2xlimx→1f(x),求f(x)
设f(0)=0且极限存在x→0,lim f(x)/x,则 x→0,limf(x)/x=
求f(x)=(x^3+x^2-3x+1)/(x^2-3x+2)的连续区间,并求极限limf(x) x→3
设f(0)=0且极限x→0,imf(x)/x存在,则 x→0,limf(x)/x=
高数数学题 ! 求极限: 若lim f(x)存在,且f(x)=sinx/x-π +2limf(x), 则limf(x)=
f(x)在(-∞,+∞)内有三阶导数,x→∞时,limf(x),limf'(x),limf"(x)存在,且,limf"'
求极限f(x)=xln(2-x)+3x的平方-2limf(x),则limf(x)=
1设f(x)=(2x∕1+x)?(2x∕1-x),求limf(x)x→1,limf(x)x→∞
设函数f(x)在x=1处连续,且limf(x)/x-1的极限=2,则f(1)等于多少
设函数f(x)在x=0点的左右极限均存在,则 limf(x^3)(x趋于0)是否等于limf(x)(
设f(0)=0,f'(0)=1,求limf[(2x)-f(-3x)]÷x x→0