Răspuns :
Răspuns:
Explicație pas cu pas:
a)
A ={0,1,2,3,4,5}
x^3 < (2^2)^3, deci x < 2^2 = 4, cu x natural
B = {0,1,2,3}
b)
A U B = A
A ∩ B = B
A - B = {4,5}
B - A = Ф(multimea vida)
c)
poza
![Vezi imaginea Chris02Junior](https://ro-static.z-dn.net/files/dd7/8d4d754f791607dabd31070d5cb79d86.jpg)
[tex]\it x\in\mathbb{N},\ \ x^2<36 \Rightarrow x^2<6^2 \Rightarrow x<6 \Rightarrow A=\{0,\ \ 1,\ \ 2,\ \ 3,\ \ 4,\ \ 5\}\\ \\ x\in\mathbb{N},\ \ x^3<64 \Rightarrow x^3<4^3 \Rightarrow x<4 \Rightarrow B=\{0,\ \ 1,\ \ 2,\ \ 3\}\\ \\ A\cup B=\{0,\ \ 1,\ \ 2,\ \ 3,\ \ 4,\ \ 5\};\ \ A\cap B=\{0,\ \ 1,\ \ 2,\ \ 3\}\\ \\ A-B=\{4,\ \ 5\};\ \ \ B-A=\varnothing[/tex]
![Vezi imaginea Targoviste44](https://ro-static.z-dn.net/files/d4c/5de4efa94d62accee3926ef65a8450e2.png)