Question

If x-1/x=3,then find the value of x^2 -1/x^2

Answer 1

Answer:

226/15. Step-by- step explanation: X2+1/X2. (3+2root2)^2+1/(3 +2root2)^2. =9+6+1/9+6. =15+1/15. =225+1/ 15.