Question

If x = 3 + 2 root 2 . Find x - 1 by x the whole cube

Answer 1

Answer:

X=3+2√2

1/X= 1/3+2√2=1\3+2√2 × 3-2√2 \ 3-2√2

1/X=3-2√2 / (3)sq.-2√