Question

4 si 5 URGENT VA ROG DIN SUFLET​

Answer 1

Răspuns:

4. A : x <= 16

x € N*

A = {1, 2, 3, ..., 16}

B : x^3 <= 64

x^3 <= 4^3

x <= 4

x € N*

B = {1, 2, 3, 4}

A u B = A = {1, 2, ..., 16}

A n B = B = {1, 2, 3, 4}

A / B = {5, 6, 7, ..., 16}

B / A = O (multimea vida)

5. a) A = {a}

B = {b, c}

b) A = B = C = {a, b, c}

c) A = C = {a, b, c}

B = O (multimea vida)