$$Nilai\ \lim_{x\rightarrow\infty}\left(5^x+5^{3x}\right)^{\frac{1}{x}}adalah....$$  

$$\lim_{x\rightarrow\infty}\ \frac{\left(1-2x\right)^3}{\left(x-1\right)\left(2x^2+x+1\right)}=....$$  

$$\lim_{y\rightarrow\infty}\ y\ \sin\ \frac{3}{y}\ \cos\ \frac{5}{y}=....$$  

$$Hasil\ dari\ \lim_{x\rightarrow\infty}\cot\left(\frac{3}{x}\right)\sin\left(\frac{1}{x}\right)\ adalah....$$  

(penyelesaiannya serupa dengan soal sebelumnya)

$$\lim_{x\rightarrow\infty}x\left(1-\cos\ \frac{1}{\sqrt[]{x}}\right)=....$$