2. Sample Papers
  3. 11th Class
  4. Mathematics

11th Class Mathematics Sample Paper Mathematics Sample Paper-1

  • question_answer
    The equation \[{{\tan }^{4}}x-2se{{c}^{2}}x\text{ }+\text{ }a2\text{ }=\text{ }0\]will have at least one real solution, if

    A) \[|a|\le 4\]                    

    B)  \[|a|\le 2\]

    C) \[|a|\le \sqrt{3}\]          

    D)  None of these

    Correct Answer: C

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