Question

classify the rational or irrational :- root 5 7​

Answer 1

Root 5 7 is irrational

Since question isn’t clear there can be 2 possibilities for the question

If question is (root 5 )7 then it is irrational as rational * irrational = irrational

If question is root 57. Then it is irrational as 57 is not a perfect square

Answer 2

Answer:

let root 57 be rational no

57=p/q

57q^2=p^2

57 is divided by p

then

p=57k

p divides 57

so √57 is an irrational no