Question

if x = √3+2√2 find √3+2√2-1/√3+2√2​

Answer 1

Answer:

x=3+22⇒x1=3+221

⇒x1=3+221×(3−22)(3−22)=(32−(22)2)3+22=9−83−22=3−22

∴x+x1=3+22+3−22

⇒x+x1=6