Question

1) Find the product (1+3root2) and (1-3root2)Is this
product rational & irrational?

Answer 1

Answer:

(1+3√2) (1-3√2)

=(1) ^2-(3√2) ^2

=1-9×2

=1-18

=-17

Answer 2

Step-by-step explanation:

(1 + 3√3)(1- 3√2)

(1)² - (3√2)²

1 - (9 × 2)

1 - 18

-17