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[Post New]13 Jan 2007 15:30:47 IST
    Subject: COMPLEX NOS
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titun (1529)

Forum Expert Blazing goIITian

Olaaa!! Perrrfect answer. 271  [358 rates]
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IF A, B, C ARE THE CUBE ROOTS OF P (P<0) , THEN FOR ANY x, y, z the expression (xA + yB + zC)/(xB + yC + zA) IS EQUAL TO
 
a) 1 b) w c) w^2 d) None of these
 
1, w, w^2 are the cube roots of unity
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