12th Class Mathematics Sample Paper Maths Olympiad Model Paper-1

  • question_answer
    Let \[f(x)=\left| \begin{matrix}    {{x}^{3}} & \sin x & \cos x  \\    6 & -1 & 0  \\    p & {{p}^{2}} & {{p}^{3}}  \\ \end{matrix} \right|,\] where p is constant. Then \[\frac{{{d}^{3}}}{d{{x}^{3}}}\,\,f\,\,(x)\] at \[x=0\]is:

    A)  \[p\]                            

    B)  \[p+{{p}^{2}}\]

    C)  \[p+{{p}^{3}}\]                    

    D)  independent of p

    E)  None of these

    Correct Answer: D


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