2023
Mathematics
JAMB
If A = { 1, 2, 3, 4, 5, 6}, B = { 2, 4, 6, 8 }. Find (A – B) ⋃ (B – A).
A.
{1, 3, 5, 8}
B.
{8}
C.
{1, 2, 3, 4, 5, 6, 8}
D.
{1, 3, 5}
Correct Answer: {1, 3, 5, 8}
Explanation
A = { 1, 2, 3, 4, 5, 6} B = { 2, 4, 6, 8 } A - B = { 1, 3, 5 } B - A = { 8 } ∴ (A - B) ⋃ (B - A) = {1, 3, 5, 8}
A = { 1, 2, 3, 4, 5, 6} B = { 2, 4, 6, 8 } A - B = { 1, 3, 5 } B - A = { 8 } ∴ (A - B) ⋃ (B - A) = {1, 3, 5, 8}THIS WEEK's
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