Question

Is (3-√11)(3+√11) rational or irrational.....
EXPLAIN THE SUM

Answer 1

Answer:

this is your answer. I hope it will help you.

Answer 2

according to

$(a - b)(a + b) = a ^{2} - b ^{2}$

(3-√2)(3+√2)=9-11

= -2

and -2 is a rational number