10th Class Mathematics Related to Competitive Exam Question Bank Quadratic Inequation

  • question_answer
    Find the values that x can take in \[{{x}^{2}}-6x+9\ge 0\]

    A)  Only zero                        

    B)  All values except zero

    C)  All value (including zero)      

    D)  \[x\in (3,\infty )\]

    Correct Answer: C

    Solution :

    (c): Mind of a mathematician: \[P\left( x \right)={{\left( x-3 \right)}^{2}}\]is a perfect square which will be \[\ge 0\]for all x.    


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