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Pure Maths 12 today........

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hey guys..for maths p1 that we wrote, question number 2..i think it was about functions(forgot the question)..did anyone of you manage to express the inverse in the form ax^2 + bx + c. i mean were there three terms or two?
Only 2 terms
2x^2 - 3
 
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OMG :O
I got it wrong!!! T_T

umm.... i think the 1 is outside the square root
the answer is x^2 -2x -1
 
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