exam Maths Puzzle Numerical Ability

I am not sure how to do this problem. Thanks for your help!
Problem:
[((x+1 / x-1)+1) / ((x+1 / x-1)-1)]^5
What I have come up with:
[((x + 1/x -1)+1)*((x-1/x+1)-1)]^5

Find

Read Solution (Total 0)

exam Other Question

find the slope of the line that passes through (5,2)and (8.,-1) Please,please,please I need your help! An application of a rational function is T = (AB)/(A+B), which gives the time, T, it takes for two worders to complete a particular task wher