Question

Q:4 If x=3+2√2, then find the value of x^-1/x^ .

Answer 1

Step-by-step explanation:

Hope it helps u.........

Answer 2

Step-by-step explanation:

x=3+2 root 2

1/x = 1 /(3+2 root 2)

Rationaling the denominator, we get

1/x = (3-2root2)/((3+2root2)(3-2root2))

1/x = 3-2root2/(9-8)

Therefore, 1/x =3-2root2

x-1/x=3+2root2 - 3+2root2

=4root2