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Multiple choice

If the roots of the equation $(x+a)(x+b)+(x+a)(x+c)+(x+b)(x+c)=0$ are equal, then

  1. $(a+b+c)^2 \geq ab+bc+ca$
  2. $(a+b+c)^2 < ab+bc+ca$
  3. $(a+b+c)^2 = ab+bc+ca$
  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer

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