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    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon Sorry if I make mistakes with the editing and such, I'm a noob on this website - as you can probably tell by my attempt at using and not knowing how to input the characters alpha and beta. 2log(x-1)=log4x - logx (x-1)^2 = 4 x^2 -2x-3=0 x=3 or x=-1 But...
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