• 2022-06-04 问题

    lim(2x+△x)=2?(当x趋向x0),有没人能给出计算过程.lim(2x+△x)=lim2x+lim△x=2limx+lim△x=?

    lim(2x+△x)=2?(当x趋向x0),有没人能给出计算过程.lim(2x+△x)=lim2x+lim△x=2limx+lim△x=?

  • 2022-05-26 问题

    lim(x/2)^(x/x-2).x趋向于2!第二题:lim(e^(x)-1/x).x趋向于0

    lim(x/2)^(x/x-2).x趋向于2!第二题:lim(e^(x)-1/x).x趋向于0

  • 2021-04-14 问题

    【单选题】若 f ( x ) = ( x − 1 ) x 2 − 1 2 , g ( x ) = x − 1 x + 1 ,则? A. f ( x ) = g ( x ) "> f ( x ) = g ( x ) B. lim x → 1 f ( x ) = g ( x ) "> lim x → 1 f ( x ) = g ( x ) C. lim x → 1 f ( x ) = lim x → 1 g ( x ) "> lim x → 1 f ( x ) = lim x → 1 g ( x ) D. 以上等式均不成立

    【单选题】若 f ( x ) = ( x − 1 ) x 2 − 1 2 , g ( x ) = x − 1 x + 1 ,则? A. f ( x ) = g ( x ) "> f ( x ) = g ( x ) B. lim x → 1 f ( x ) = g ( x ) "> lim x → 1 f ( x ) = g ( x ) C. lim x → 1 f ( x ) = lim x → 1 g ( x ) "> lim x → 1 f ( x ) = lim x → 1 g ( x ) D. 以上等式均不成立

  • 2022-06-04 问题

    lim(x→∞)(1-1/(x+1))^(-x-1)=lim(x→∞)(1/(x+1))^(-x-1)lim(x→∞)(1-1/(x+1))^(x+1)

    lim(x→∞)(1-1/(x+1))^(-x-1)=lim(x→∞)(1/(x+1))^(-x-1)lim(x→∞)(1-1/(x+1))^(x+1)

  • 2022-06-04 问题

    lim(x→0)(3xy/(x^2+y^2))

    lim(x→0)(3xy/(x^2+y^2))

  • 2022-06-04 问题

    lim(x)lim(x→∞)[(x-1)/(x+1)]^2x

    lim(x)lim(x→∞)[(x-1)/(x+1)]^2x

  • 2022-06-10 问题

    当x趋于0时,lim(1+X)^(1/X^2)和lim(1+X)^(1/X^3)中无穷大量是?

    当x趋于0时,lim(1+X)^(1/X^2)和lim(1+X)^(1/X^3)中无穷大量是?

  • 2022-06-10 问题

    lim(x趋向1)(x+2)/{(x^2)-1}=

    lim(x趋向1)(x+2)/{(x^2)-1}=

  • 2022-06-04 问题

    计算lim(x→∞)[√(1+x^2)-x]x

    计算lim(x→∞)[√(1+x^2)-x]x

  • 2022-06-10 问题

    设f(x)是多项式,且lim(x→∞)[f(x)-x^3]/x^2=2,且lim(x→0)f(x)/x=1,求f(x)

    设f(x)是多项式,且lim(x→∞)[f(x)-x^3]/x^2=2,且lim(x→0)f(x)/x=1,求f(x)

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