If x2+ 1/x2= 27, find the value of x-1/x. Share with your friends Share 0 Richa Sagar answered this 0 View Full Answer Astha Aggarwal answered this x2+1/x2 = 27 (x-1/x)2 = x2+1/x2 -2*x*1/x (x-1/x)2 = x2+1/x2 -2 (x-1/x)2 =27 -2 (x-1/x)2 = 25 (x-1/x) = √25 (x-1/x) = 5 = Answer 1
