Question

identify (root 2 + root 3) square as rational or irrational number justify your answer ​

Answer 1

Answer:

we will use the identity (a+b)^2=a^2+b^2+2ab

(root2+root3)^2=2+3+2×root6

=5+2×root6

since a rational number added to an irrational number is irrational the ans is irrational