Question

IF X=3-2 √2,FINDX-1/X

Answer 1

Answer:

Step by Step Explanation:

Given:

x = 3 - 2√2

1/x = 1 / 3 - 2√2

Therefore,

x - 1/x = 3 - 2√2 - 1/ 3-2√2

= 3 -2√2(3-2√2) -1 / 3-2√2

= 9 - 6√2 -6√2+8 - 1 / 3-2√2

= 9 + 8 -1 - 12√2 / 3-2√2

= 16 - 12√2 / 3-2√2 is the answer