Jump to content
You currently have javascript disabled. Several functions may not work. Please re-enable javascript to access full functionality.
tuanduc hasn't added any friends yet.
No latest visitors to show
22-04-2023 - 21:13
$x_{1} = 3, x_{n+1} = {x_{n}}^{2} - 2, n \geq 1 $. Tính $lim \frac{\prod x_{k}}{x_{k+1}}$
14-04-2023 - 23:04
tìm $n$ nguyên dương để $7^{n} | 9^{n} - 1$