Let ξ = {x: x W, x ≤ 21}, A = {even numbers}, B = {multiples of 3} & C = {multiples of 7}. Prove that: (i) (A∪B) ' = A'∩B', (ii) (A∩B) ' = A'∪B', (iii) A ∪(B∩C) = (A∪B) ∩(A∪C)
Answers
Answered by
0
Answer:
phele apni maa chodo 13,26,39,52,65
= sum of OBSERVATIONS
= total OBSERVATIONS
= 13 +26+39 +52 +65
=
5
= 195
= 5
= 39: mean
mean = 39
Similar questions