\(=\lim\limits_{x\rightarrow+\infty}\dfrac{5}{3.\left(+\infty\right)+2}=0\)
\(=\lim\limits_{x\rightarrow+\infty}\dfrac{5}{3.\left(+\infty\right)+2}=0\)
a) lim \(\dfrac{3x^4-2x^5}{5x^4+x+4}\)
x-> -∞
b) lim \(\dfrac{x-1}{\sqrt{x^2-1}}\)
x-> +∞
lim \(\dfrac{3x^2-x^5}{x^4+6x+5}\)
x-> +∞
lim \(\dfrac{-2x^5+x^4-3}{3x^2-7}\)
x-> -∞
\(\lim\limits_{x\rightarrow1}\dfrac{3-2x^2-x^4}{5-3x-2x^2}\)
\(\lim\limits_{x\rightarrow1}\dfrac{\sqrt{4x+5}+x}{\left(x^2+3x+2\right)}\)
tìm gioi han \(A=\lim\limits_{x\rightarrow-\infty}\dfrac{2ax+\sqrt{x^2+3x-1}}{3x+5}\)
a) lim \(\dfrac{2x-\sqrt{3x^2+2}}{5x+\sqrt{x^2+2}}\)
x-> +∞
b) lim \(\sqrt{\dfrac{x^2+1}{2x^4+x^2-3}}\)
x-> ∞
lim \(\dfrac{3x-5sin2x+cos^2x}{x^2+2}\)
x-> +∞
giới hạn \(\lim\limits_{x\rightarrow+\infty}\dfrac{\left(x-1\right)^2\left(2x^3+3x\right)}{4x-x^5}=\dfrac{a}{b}\). tìm a,b biết a/b tối giản