C = {৩,৪,৫ } এবং D = { ৪,৬,৮} হলে, C U D হল-

A {৪}

B {৩,৪,৫,৬,৮}

C {৩,৫,৮}

D {∅}

Solution

Correct Answer: Option B

C U D = {৩, ৪, ৫} U {৪, ৬, ৮} 

         = {৩, ৪, ৫, ৬, ৮} 

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