Answer:
0 is pi over 21
x78 - 37.05
[tex]x^{2} \neq \sqrt{x}[/tex]
[tex]\frac{x}{y} x_{123} \beta \alpha \neq \lim_{n \to \infty} a_n \left \{ {{y=2} \atop {x=2}} \right.[/tex]