Question

(2+√2)(2-√2)rational or irrational
with soloution​

Answer 1

Answer:

(2+root2 )(2-root2)

4-2

2 answer

Answer 2

Answer:

heya mate ☺

$(2 + \sqrt{2} )(2 - \sqrt{2} ) \\ = 4 - 2 \sqrt{2} + 2 \sqrt{2} - (\sqrt{2} )^{2} \\ = 4 - 2 \\ = 2$

So mate its rational.

Hope it helps u mate ^.^