(a) Z, the set of all integers

(b) N, the set of all natural numbers

(c) $\phi$, the empty set

(d) R

Want to ask us a question? Click here

Browse Questions

Ad |

0 votes

Ask Question

Take Test

x

JEE MAIN, CBSE, NEET Mobile and Tablet App

The ultimate mobile app to help you crack your examinations

...