Question

If X =3+√2, then the value of X+1/X is
Grade 9, Mathematics.
The Number System.
Thank you ♡​

Answer 1

Answer:

3+√2+3-√2=6

Step-by-step explanation:

x=3+√2 then

1/x = -x/1

=3-√2

Answer 2

Answer:

x+1/x = 3+√2

squaring both side

x +1/x +2x.1/x = 9+ 2

x +1/x +2 = 11

x+1/x = 11-2 = 9