Question

Simplify
3+2V2 3-22
a)
+
3-22 3+2v2​

Answer 1

Step-by-step explanation:

3+2√2 / 3-2√2 + 3-2√2 / 3+2√2

by using the identity (a+b) (a-b) = a^2 -b^2 and (a-b)^2 ,(a+b)^2

(3+2√2)^2 + (3-2√2)^2 / (3-2√2) (3+2√2)

9+(2√2)^2 +12√2 +9 +(2√2)^2 -12√2 / 9-(2√2)^2

18 +8 +8/9-8

18+16/1

= 34