School assignment - expansion

[guente02]

1. Expand
(a). [tex]\sqrt{1+2x}[/tex]
(b). [tex](2x-\frac{1}{x})^{12}[/tex]

2. Use the expansion of [tex](1+\frac{x}{2})^{8}[/tex] to find the value of [tex](0.99)^{8}[/tex]

Please How do i solve these?

Jesse. Nigeria

[salakh74]

You can apply binomial theorem to expand this expression.