设lim(x->无穷大)((1+x^2+x^3)^1/3-ax-b)=0,求a= ,b= .
设lim((x^2+1)/(x+1) -ax-b)=0,求a,b. x趋向无穷大
设lim((x^2+1)/(x+1) -ax-b)=0,求a,b.x趋向无穷大
已知Lim(X2+1/X+1-ax-b)=0,且X趋近于无穷大,求a和b.
lim[(根号X2-X+1)-(ax+b)]=0 x趋近于无穷大.求a b
已知lim{(x^2+1)/(x^3+x)-ax-b}=0(x趋近无穷),求a,b的值
lim趋向正无穷(根号下X^2+X-1 -AX)=b ,求a ,b
试确定常数a使lim[(1-x^3)^1/3-ax]=0(x趋于无穷大)
设f(x)=lim n→正无穷[x^(2n-1)+ax^2+bx]/(x^2n+1)是连续函数,求a,b的值
设f(x)=lim(n→∞)(x^2n-1+ax^2+bx)/(x^2n)+1是连续函数,求a和b的值.
lim(sin3x/x^3+a/x^2)=b (x趋于0) 求a,b
几道基础高数题1、设lim(x→+无穷) (3x — 根号下(ax^2+bx+1))=2,求常数a,b.2、设P(x)是
设f(x)=lim(n→∞)(x^(2)e^(n(x-1))+ax+b)/(e^(n(x-1))+1)确定a b 使f(