exam
Maths Puzzle
Numerical Ability
Solve each equation. If a solution is extraneous, so indicate.
(5)/(2z+z-3)-(2)/(2z+3)=(z+1)/(z-1)-(1)
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exam Other Question
decide whether lines p1 and p2 are perpendicular:
line p1:x+8y=-4
line p2:4x-2y=10
Find the inverse function of f.
1. f(x)=1+3x/5-2x