Question

11. Prove that the following are not rational numbers:
(i) (√2+5)
(ii) (3-√3)
(iii) 7√5
(iv) (√3+√5)​

Answer 1

Irrational added subtracted divided or multiplied by a rational gives you irrational.

Irrational added subtracted divided or multiplied with an irrational gives irrationalor rational