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Black Advanced Problems in Mathematics
Exam
Black Advanced Problems in Mathematics
Subject
Mathematics
Chapter
Quadratic Equation

Black Advanced Problems in Mathematics · Mathematics · Quadratic Equation

Let r, s, t be the roots of the equation x^3 + ax^2 + bx + c = 0 ,...

Let r, s, t be the roots of the equation x3+ax2+bx+c=0x^3 + ax^2 + bx + c = 0, such that (rs)2+(st)2+(rt)2=b2−kac(rs)^2 + (st)^2 + (rt)^2 = b^2 - kac, then k=k =

Options

  1. A1
  2. B2
  3. C3
  4. D4.

Correct answer

B. 2

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