Question

If x=6+4 root 2 find root x- 1/root x

Answer 1

Step-by-step explanation:

x = 6+4√2

1/x = 1/6+4√2

rationalize denominatior

1/6+√2 × 6-4√2/6-4√2

6-4√2/ 36-32

1/x = 6-4√2/ 4

THEN,,,. X -1/X = 6+4√2 - 6+4√2/4

= (24 + 16√2 - 6+4√2)/4

x -1/x = (18 + 20√2)/4

hope it's helpful (•‿•)(•‿•)(•‿•)(•‿•)