Question

Prove that the following numbers are irrational:
(1) 3+ √5

(ii) 15-2√7
(iii)1/3-√5​

Answer 1

Step-by-step explanation:

1)3+√5 is irrational since √5 is irrational

2)15-2√7 is irrational since √7 is irrational

3)1/3-√5 is irrational since √5 is irrational