Question

is the number (3-√5) (3 +root5)
rational or irrational

Answer 1

Step-by-step explanation:

if it was product of two numbr is rational

if it was only 3-root is irrational

Answer 2

Answer:

Rational

Step-by-step explanation:

Using (a+b) (a-b) =a^2 - b^2

So we get 9-5 = 4

Sice 4 is a rational number because it can be written as 2×2 = 4