Question

fie A={x|x∈n,x≤5}
B={x|x∈ n,1 ≤ x < 7
C={x|x∈ n,x-numar par}.Aflati:
a)A∪B
b)A∩B
c)A∩C
d)C∩B
e)A∪C
f)C∪B
ajutatima va rog si repede

Answer 1

Răspuns:

Explicație pas cu pas:

A={0,1,2,3,4,5}

B={1,2,3,4,5,6 }

C={0,2,4,6,8,10,12,,,,,2k}

a)A∪B ={0,1,2,3,4,5,6}

b)A∩B= {1,2,3,4,5}

c)A∩C ={0,2,4}

d)C∩B ={2,4,6}

e)A∪C= {0,1,2,3,4,5,6,8,10,12,,,,,2k}

f)C∪B={0,1,2,3,4,5,6,8,12.....2k}