pt bậc 1 mà sao lại có 2 nghiệm dc nhể

đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si-đồ-rê-mi-pha-son-la-si.....................

ko bao h hết

A={\(\frac{1}{x^2}\)x={1;2;3;.....;15}}

B={x+a I a={1;3;5;7;.....} ; x2=a1+x1;x3=a3+x3....}

2<x<3

hoặc -2>x>-3

ko tồn tại

Phải là hình lập phương chứ đúng ko 

a)2p+n=10

ta có 10/3>=p>=10/3.5

3.(3)>=p>=2.(857142)

=>p=3=z=e

=>n=4

A=4+3=7

b)vì p=3=>X là li