Question

if x-1/x=3,find the value of x^2-1/x^2​

Answer 1

Answer:

(3)

2

=x

2

+

x

2

1

+2

⇒9=x

2

+

x

2

1

+2

⇒x

2

+

x

2

1

+2=9

⇒x

2

+

x

2

1

=9−2=7

∴x

2

+

x

2

1

=7

Answer 2

Answer:

11

Step-by-step explanation:

see the attachment !!!