Question 44252
1-4/k^2 / 1+ 1/k-2/k^2

First Multiply numerator and denominator by k2

k^2(1-4/k^2)
____________            k^2-4/k^2+k-2   The factor top and bottom  

k^2(1+1/k-2/k^2)
                                      (k+2)(k-2)/(k+2)(k-1)  - 


 (k-2)/(k-1)    is the final answer please forgive  the awful formatting