Question

FIND THE PROUDUCT OF 1+3√2 and 1-3√2.IS THIS PRODUCT
A RATIONAL OR IRRATIONAL
А​

Answer 1

Answer:

-17 (Rational)

Step-by-step explanation:

(1 + 3√2)×(1-3√2)

1^2 - 3√2 + 3√2 - 18

1 - 18

-17 Ans..

Answer 2

Answer:

-17(Rational )

Step-by-step explanation:

by identity (a+b)(a-b) =a² -b²

(1+3√2)(1-3√2) = 1² - (3√2)²

which is equal to 1-18 = -17