Q. 14.0( 64 Votes )

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Answer :

We know that two sets A and B are said to be equal, if every element of set A is in set B and every element of set B is in set A. It is symbolically written as A = B.


A = {x|3x – 1 = 2}


3x – 1 = 2


3x = 2 + 1 = 3


x = 3/3 = 1


A = {1}


B = {x |x is a natural number but x is neither prime nor composite}


We know that 1 is neither prime nor composite and is a natural number.


B = {1}


C = {x |x N, x < 2}


We know that natural number, N = {0, 1, 2, 3, …}


C = {0, 1}


A = B, B ≠ C, A ≠ C


Ans. A and B are equal sets but B and C (and) A and C are not equal sets.


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