A = { x | x ² = 4 } and B = {x|x²-5x+6=0}
then
A U B is
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2
A=2²
= 4
A=2
B={}
null set
THEN A U B
={2}U{ }
={2}
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Answered by
1
Answer:
{-2,2,3}is the answer
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