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AIEEE 2011

JEE Main 2011 Mathematics question on Complex Numbers and Quadratic Equations

A value of bb for which the equations x2+bx−1=0x^2 + bx - 1 = 0, x2+x+b=0x^2 + x + b = 0 have one root in common is
  1. A.
    −2-\sqrt{2}
  2. B.
    −i3-i\sqrt{3}
  3. C.
    i5i\sqrt{5}
  4. D.
    2\sqrt{2}
Show answer

Correct option: B

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