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  9. Q302

RRB NTPC 2025 · Question 302 of 409

If sum and product of the roots of a quadratic equation are (4-3sqrt(2)) and [product value obscured by rendering artifact], find the quadratic equation.

  1. Ax^2+(4-3sqrt(2))x-28=0
  2. Bx^2+(4+3sqrt(2))x+28=0
  3. Cx^2-(4-3sqrt(2))x-28=0Correct
  4. Dx^2-(4+3sqrt(2))x+28=0

Answer: C. x^2-(4-3sqrt(2))x-28=0

Official answer key verified. Detailed explanation coming soon.

Source: RRB NTPC Graduate CBT-1 response sheet 05-Jun-2025 Shift-3 (candidate-shared copy of official answer-key viewing) · official-answer-key

← Q301View full paper (409 questions)Q303 →

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