Oblicz granice: [latex]lim_{x o infty} frac{3 ^{x} }{(3 ^{x}-3 ^{2})x } [/latex] [latex] lim_{x o infty} frac{sin ^{2} x}{x^{4} } [/latex] [latex] lim_{x o infty} frac{cosx}{(e ^{x}+1)x } [/latex]

Oblicz granice: [latex]lim_{x o infty} frac{3 ^{x} }{(3 ^{x}-3 ^{2})x } [/latex] [latex] lim_{x o infty} frac{sin ^{2} x}{x^{4} } [/latex] [latex] lim_{x o infty} frac{cosx}{(e ^{x}+1)x } [/latex]