b) If ξ = {natural numbers between 10 and 40}
A={multiples of 5} and B ={multiples of 6} then find AUB and A∩B.
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Step-by-step explanation:
natural numbers between10 &40=30
a= multiples of 5.
30×5=150
b=multiples of 6.
30×6=180.
There fore a=150,b=180.
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