MBA Exam

Let p, q and r are the roots of the cubic equation; x^3 – 3px^2 + 3q^2x – r^3 = 0, Which of the following statement is definitely true?

1) p + q + r = 0
2) p = q = r
3) p^2 + q^2 = r^2
4) More than one of the above
5) None of the above

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MBA Other Question
Point B is in the exterior of the regular n-sided polygon A1 A2 . . .An, and A1A2B is an equilateral triangle.What is the largest value of n for which An, A1, and B are consecutive vertices of a regular polygon?

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