Multiple Choice Questions on Equation x2 8x 16 0 find the characteristic of the roots of the equation ........ for NDA Exam Preparation

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Multiple Choice Questions

Equation x2 8x 16 0 find the characteristic of the roots of the equation ........

Mathematics (NDA) Quadratic Equations
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    Equation x2-8x+16=0, find the characteristic of the roots of the equation?

    imaginary

    Incorrect Answer

    real and distinct

    Correct Answer

    real

    Incorrect Answer

    real and equal

    Incorrect Answer
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    Explanation:

    x2-8x+15=0

    x=(-b±√D )/2

      =(8±√64+60)/2

    D>0

    So the roots are real and distinct

    By: bhavesh kumar singh
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