Question

if (x+1/x)=4 find the value of (x-1/x)​

Answer 1

Answer:

Step-by-step explanation:

x²+1/x²+2=16

x²+1/x²=14

(x-1/x)²=14-2

x-1/x=√12

Answer 2

Answer:

-2

Step-by-step explanation:

Firstly, find the value of the first equation

Then, put the value of x in (x-1/x) to get the value.