Question

If x = 3+2√2 then find ,A) X+1/X , B) X square + 1/X square ,C) X+1/X whole cube , D) √X+1/√X​

Answer 1

Answer:

x=3+2

2

x

1

=

3+2

2

1

×

3−2

2

3−2

2

=3−2

2

(

x

−

2

1

)

2

=x+

x

1

−2

=3+2

2

+3−2

2

−2=4

So,

x

−

x

1

=

4

=±12 Ans

solution