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Maths Puzzle
Numerical Ability
((x+5)^4(x-5))/(x-2)< 0
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book Other Question
A rock falls from a tower that is 93.1 m high. As it is falling, its height is given by the formula h=93.1- 4.9t^2, with T in seconds. How many seconds will it take for the rock to hit the fround. (h=0)
Simplify -5+9+5-9=