exam Maths Puzzle Numerical Ability

I would like to know how to solve this inequality of X+1/X-3>=1

Read Solution (Total 0)

exam Other Question

USe slopes to show that the square with vertices at (-2,5), (4,5), (4,-1) and
(-2,-1) has diagonals that are perpendicular i am having a hard time getting this : (y / y^2 -1) + (y-1 / y +1) - 2y / 1 - y)