mid values are used in calculating
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The mid value of class is known as class mark and it is used to calculate mean.
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What is the set builder form of A∩B
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the intersection of two set A and B is the set of all the element which are common in A and B . this is denoted by AnB
and read as A intersection B
set builder : -
A n B ={x : x € A and x € B}={ x : x € A ^x € B}
here ^ denotes and , '€ ' denotes belongs to
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