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  3. 12th Class
  4. Mathematics

12th Class Mathematics Sample Paper Mathematics Olympiad Sample Paper-3

  • question_answer
    If \[y={{\sin }^{3}}x,\,\,\,then\frac{{{d}^{4}}y}{d{{x}^{4}}}\,\,\,at\,\,\,x=\frac{\pi }{2}\] is equal to

    A)  -15      

    B)         12           

    C)  -6                   

    D)  21

    Correct Answer: D

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