Question

if × ÷ by 1 = 15 then, x ​

Answer 1

Answer:

If x+1/x=15 then x²+1/x² is

= 223

Step-by-step explanation:

Given,x+1/x=15

On squaring both sides, we get

x

2

+

x

2

1

+2=225

⇒x

2

+

x

2

1

=223