Question

Set builder,and roaster form,cardinal number,union,intersection,
Subset

Answer 1

##set builder and roaster form is a way to represent the set.

##in set builder form we should write the unique property which represent every element of set.

like set of natural no less than 5.

so{x:x is a natural number <5}

##in roaster form or tabular for we should represent every element of set by separating commas and enclosing with braces.

##cardinal no represent the total number of element in set.

cardinal no of set A is denoted by n(A).

ex A={1,2,3,4,5}

n(A)=5