Question

4.
Identify the following sets as null set or singleton set
(1) A = (x:x€N, 1<x<2) N
(1) B = The set of all even natural numbers which are not divisible by 2
(1) C = 10).
(iv) D = The set of all triangles having four sides. N​

Answer 1

Step-by-step explanation:

Set A is the null set

A={}

Set B is also null set

B={}

C is the singleton set

Set D is null set

D={}