A={x∈IN | 2<x≤8}
B={x∈IN | x বিজোড় এবং x≤9} হলে A∩B=কত?
B={x∈IN | x বিজোড় এবং x≤9} হলে A∩B=কত?
Solution
Correct Answer: Option D
দেওয়া আছে,
A={x∈IN | 2<x≤8}
B={x∈IN | x বিজোড় এবং x≤9}
তাহলে,
A={3,4,5,6,7,8}
B={1,3,5,7,9}
A∩B=A={3,4,5,6,7,8}∩ {1,3,5,7,9}
={3,5,7}
A={x∈IN | 2<x≤8}
B={x∈IN | x বিজোড় এবং x≤9}
তাহলে,
A={3,4,5,6,7,8}
B={1,3,5,7,9}
A∩B=A={3,4,5,6,7,8}∩ {1,3,5,7,9}
={3,5,7}
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