Reduciendo la siguiente expresión \( \sqrt{\frac{20^{x+1}}{4^{x+2}+2^{2 x+2}}} \)

22. Find the solution of the recurrence relation \( a_{n}=6 a_{n-1}-9 a_{n-2} \) with initial conditions \( a_{0}=1 \) and \( a_{1}=0 \)

c) \( x^{4}+4 x^{2}+4=0 \)

5. Sivetai \( \eta \) пapáotaoŋ \( : ~ A=\frac{x^{2}-4 x y+4 y^{2}}{15} \cdot \frac{9}{x^{2}-4 y^{2}} \) а) Na апобгіंदॄтв о̀тı: \( A=\frac{3 x-6 y}{5 x+10 y} \). i) \( \frac{x}{y} \) ii) \( \frac{3 x+2 y}{x-y} \)

For the graph of the function \( f(x) = 5^{x-1} - 2 \), what are the coordinates of the y-intercept?

Evaluente: \( (64)^{6 / 5} \div(64)^{1 / 5} \)