Question

Which of the following is a rational no.
2-√5
(3+√23)-√23
1/√2
2​

Answer 1

Answer:

2 and (3+√23)-√23

Step-by-step explanation:

2-√5 ------- √5 is Irrational

(3+√23)-√23 = 3 -------- is Rational (+√23 and -√23 gets cancelled)

1/√2 -----------√2 is Irrational

2​ - Is Rational number

2= 2/1 where 2 and 1 are integers and denominator $\neq$ 0

Rational number - Any number which can be represented in the form p/q where p and q are integers and q$\neq$0

Answer 2

Answer:

i donjchvijrng

Step-by-step explanation:

doigfbnkbousnfrl