Question

Prove that5-3√2is irrational no.

Answer 1

let x=5-3root2
square on both sides
x^2=(5-3root2)^2
x^2=25-18
x^=7
x=root7
now
we know that
root7 is irrational number.
so it is prooved that 5-3root2 is irrational

Answer 2

Answer: Yes this Irrational

Step-by-step explanation:

5-3=2 which leaves 2$\sqrt{2}$ and rational number is a perfect square so  the square root of to would be irrational and 2 is a real number/an whole number so its rational and rational + irrational is an irrational number