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Quadratic Equation

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  1. Which of the following equations has real roots ?
    1. 2x2 - 3x + 4 = 0
    2. (x - 1) (2x - 5) = 0
    3. 3x2 + 4x + 5 = 0
    4. Cannot be determined
    5. None of the above
Correct Option: B

(x - 1) (2x - 5) = 0 ⇒ x = 1, 5/2
So, its roots are real.


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