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Maths Puzzle
Numerical Ability
Define the subgroups of the Real number system giving examples using set notation
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All that I have to do is factor this but I think that it is prime. Can someone please tell me if I am right? Thank you.
15x^2+16x+4
(x+2/x-2) / (x^2-4/2x-4)
I don't even know where to begin on this. Could you help?