ifA={x:x²-5x+6=0},b={x:x²-x-2=0} then find A ∪B
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Answer:
{-1,2,3}
Step-by-step explanation:
Since x= 2 and 3 satisfies this equation,
A={2,3}
Similarly,
Therefore x = -1 and 2 satisfies the equation.
Therefore B={-1,2}
AUB ={-1,2,3}
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