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For the equation |[1,x,x^2],[x^2, 1,x],[...

For the equation `|[1,x,x^2],[x^2, 1,x],[x,x^2, 1]|=0,` a) There are exactly two distinct roots b) There is one pair of equation real roots. c) There are three pairs of equal roots d) Modulus of each root is 2

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