Question

examine whether the following number are rational or irrational √23, √225, (√5+√7)² ,7.478478.......​

Answer 1

Answer:

Step-by-step explanation:√23 is a irrational number as it is in form of root.

similarly,√225, will also be irrational.

(√5+√7)² will be simplified to 12+2√35 and hence is irrational

7.478478.... can be expressed in p/q form and hence it is rational