Question

Decide which of the following are equal sets and which are not?justify your answer.
A={x|3x-1=2}
B={x|x is a natural number but X is neither prime nor composite
C={x|x€N,X<2}​

Answer 1

as in first case x will be 1

in third case x will be 1

as natural no. start from 1 and 1 is less than 2 so thrid and first case are equal, sry i m confused about 2nd one.

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