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10th Class Mathematics Polynomials Question Bank Case Based MCQs - Polynomials

  • question_answer
    The graph of \[{{x}^{2}}+1=0\]

    A) Intersects X-axis at two distinct points.

    B) Touches X-axis at a point.

    C) Neither touches nor intersects X-axis.

    D) Either touches or intersects X-axis.

    Correct Answer: C

    Solution :

    Given equation is \[{{x}^{2}}+1=0\].
                            \[{{x}^{2}}=-1\]
     It gives imaginary roots.
    Hence, it is neither touches nor intersects X-axis.


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