Question

The sets which are not singleton sets in
the following are
(1) {x: 4x+1=-15,XEN}
(ii) The set of all prime numbers less
than 3
(ii) {x: 30x – 59 = 0, x E N}
(iv) {x:3x-1<5,xE N}​

Answer 1

Answer:

i) and iii) are empty sets.