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OK is Arnold ( by denise and graham arnold, has a blue cover and half of the cover is filled with a 3d grid like pattern) is that book same as cambridge ????

well so far i finished complex numbers and iam half way through polynomials .... i just want to know wat every1 else is up to

ok i attemped to do this question about seven time now wit on lck, i finished of all the questions in the exercise but still coundnt do this one ... i have like a mental block when ever i see this wuestion anyway to the pll who would like to help the question is Solve z^2 - i ( it's prob...