Question

is (3 minus root 3) (3 plus root 3) is rational or irrational​

Answer 1

Answer:

Step-by-step explanation:

It is rational

(3 minus root 3) (3 plus root 3)

9-3

6

Answer 2

Answer:

It is rational.

Step-by-step explanation:

$(3-\sqrt{3})(3+\sqrt{3})\\\\= 3^2 - \sqrt{3}^2\\\\= 9 - 3 \\\\= 6$

Since 6 can be expressed in the form of p/q, where p and q are integers, q is not 0 and p and q are co-primes as 6/1, the given number is a rational number.

Thanks!