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 {∅}
Correct Answer: Option B
C U D = {৩, ৪, ৫} U {৪, ৬, ৮}
= {৩, ৪, ৫, ৬, ৮}
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