If a, b, c are real and x^3-3b^2x+2c^3 i...

If a, b, c are real and `x^3-3b^2x+2c^3` is divisible by x -a and x - b, then (a) a =-b=-c (c) a = b = c or a =-2b-_ 2c (b) a = 2b = 2c (d) none of these

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