Question

Which of the following is not irrational?

(a) (2 – √3)2
(b) (√2 + √3)2
(c) (√2 -√3)(√2 + √3)
(d)27√7

Answer 1

Answer:

4√3

6√5

Step-by-step explanation:

This is about the not irrational

Answer 2

1. When added rational and rational gives rational always.
2. When added irrational and irrational gives both rational or irrational always.
3. When added irrational and rational gives irrational always.

Answer A