Giới hạn
a. \mathop {\lim }\limits_{x \to 0}(\cos 5x)^{1\div 2x^{2} }
b.\mathop {\lim }\limits_{x \to 1}(1 + lnx)^{1\div x-1 }
Giới hạn
1, \mathop {\lim }\limits_{x \to 0}(\cos 5x)^{1\div 2x^{2} }
2, \mathop {\lim }\limits_{x \to 1}(1 + lnx)^{1\div x-1 }