Question

x - 1/x = 8 then x²+1/x²​

Answer 1

Step-by-step explanation:

ANSWER

Given, x−

x

1

=8

Use : (x−

x

1

)

2

=x

2

+

x

2

1

−2

⇒(8)

2

=x

2

+

x

2

1

−2

⇒64+2=x

2

+

x

2

1

⇒x

2

+

x

2

1

=66