tolong nomor 5 sama nomor 10

5. [tex] \\ \beta \left \{ {{y=2} \atop {x=2}} \right. \sqrt{x} x^{2} [/tex]
10 . [tex] \lim_{n \to \infty} a_n \left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right] x_{123} \pi \neq \leq [/tex]