engineering mathematics MCQ #4327

The quadratic equation with one root as 1 + √2 is?

engineering mathematics MCQ #4327

  1. Question 1

    Q1. The quadratic equation with one root as 1 + √2 is?

    • A) x² - 2x - 1 = 0
    • B) x² + 2x + 1 = 0
    • C) x² - 2x + 1 = 0
    • D) x² + 2x - 1 = 0

    Answer: x² - 2x - 1 = 0

    Explanation: If one root is 1 + √2, the other is 1 - √2; using sum and product of roots.