Question

va rog ajutati ma cu rezolvarea completa a imaginii de mai sus​

Answer 1

1. a) A={4, 5, 6, 7}
B={4+2, 5+2, 6+2, 7+2}
=>B={6, 7, 8, 9}
C={2x4, 2x5, 2x6, 2x7}
=>C={8, 10, 12, 14}

b)i) {5, 6} € A
Adevarat

ii)A € C
Fals

iii) {7, 8} € B
Adevarat



2. i)adevarat
ii)Fals
iii)Fals
iv)Adevarat


3.a) A U B = {a, b, c}
b)A ∩ B = {b}
c)( A U B) \ (A ∩ B)
{a, c}