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\(\lim\limits_{ }\dfrac{3-4^n+2}{2^n+3\cdot4^n}\)
\(=\lim\limits_{ }\dfrac{\dfrac{3}{4^n}-1+\dfrac{2}{4^n}}{\left(\dfrac{1}{2}\right)^n+3}\)
\(=\dfrac{-1}{3}\)
1/ lim \(\dfrac{\sqrt{n^4-n^2}+3n^2}{1-n^2}\)
2/ lim \(\dfrac{n\sqrt{n}-n^3}{4n^3+\sqrt{n}}\)
3/ lim \(\dfrac{3.4^n-1}{2.3^n+4}\)
4/ lim \(\dfrac{2^{n+1}+4.3^{n-1}}{1-2^{n-1}+3^{n+1}}\)
1) Tính giới hạn \(\lim\limits_{n\rightarrow\infty}\left(\dfrac{3^n-4^{n+1}}{3^{n+2}+4^n}\right)\)
2) Tính giới hạn \(\lim\limits_{n\rightarrow\infty}\left(\dfrac{3^n-4.2^{n+1}-3}{3.2^n+4^n}\right)\)
3) Tính giới hạn \(\lim\limits_{n\rightarrow\infty}\left(\dfrac{2-5^{n-2}}{3^n+2.5^n}\right)\)
1) tính \(\lim\limits_{n\rightarrow\infty}\dfrac{6n-8}{n-1}\)
2) \(\lim\limits_{n\rightarrow\infty}\dfrac{n^2+5n-3}{4n^3-2n+5}\)
3) \(\lim\limits_{n\rightarrow\infty}\left(-2n^5+4x^4-3n^2+4\right)\)
1) Tính giới hạn \(K=\lim\limits_{n\rightarrow\infty}\left(\dfrac{3.2^n-3^n}{2^{n+1}+3^{n+1}}\right)\)
2) Tính giới hạn \(\lim\limits_{n\rightarrow\infty}\left(\dfrac{3^n-4^{n+1}}{3^{n+2}+4^n}\right)\)
1) Tính giới hạn \(\lim\limits_{n\rightarrow\infty}\left(\dfrac{3^n-4^{n+1}}{3^{n+2}+4^n}\right)\)
2) Tính giới hạn \(\lim\limits_{n\rightarrow\infty}\left(\dfrac{3^n+1}{2^n-1}\right)\)
lim(√n+3-√n+5) lim 1/√n^2+2-√n^2+4 Giúp mk voiiiii
tính
1) \(\lim\limits_{n\rightarrow\infty}\dfrac{3n^2+5n-3}{-n+5}\)
2) \(\lim\limits_{n\rightarrow\infty}\dfrac{-7n^2+4}{-n+5}\)
3) \(\lim\limits_{n\rightarrow\infty}\dfrac{-3n^2+2}{n-2}\)
Tính giới hạn Lim 3^n-4^n+1/2×4^n+2^n
tính giới hạn \(\lim\limits_{n\rightarrow\infty}\dfrac{3^n-4^{n+1}}{3^{n+2}+4^n}\)
