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Maths Puzzle
Numerical Ability
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If f(x)=x(x-1)(x-4)^2, use interval notation to give all values of x where f(x)>0. My answer is (-infty,0) u (1,4) u (4,infty) is this right. thanks again.
Simplify
y to 0 power x -8power/x -7power z((y 5power)-2power/(z 0 power)9 - x 11power/y 4power)