Question

if x^2+1/x^2=6,find the value of x-1/x​

Answer 1

Step-by-step explanation:

(X-1/X)^2 = X^2-2X(1/X)+1/X^2

=>(X-1/X)^2 = X^2+1/X^2 -2

=>(X-1/X)^2 = 6-2 = 4

=X-1/X =√4 = 2

So, X-1/X = 2.