Question

prove that 3-2 root 2 is an irrational number.​

Answer 1

Answer:

yes because 2 is not perfect square

Answer 2

Answer:

$3 - 2 \sqrt{2 }$

(a-b)² = a²+b²-2ab

3²+2 root 2 whole-2(3)(2 root 2)

9+4×2-12root2

13-12root 2

Hence irrational.