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12th Class Mathematics Sample Paper Maths Olympiad Model Paper-7

  • question_answer
    Find the values of a and b such that\[\underset{x\to 0}{\mathop{\lim }}\,\,\,\frac{x\,\,(1+a\,\,\cos x)-b\,\,\sin \,\,x}{{{x}^{3}}}=1\].

    A)  \[\frac{5}{2},\]\[\frac{3}{2}\]                

    B)  \[\frac{5}{2},\]\[\frac{-3}{2}\]

    C)  \[\frac{-5}{2},\]\[\frac{-3}{2}\]

    D)  \[\frac{-5}{2},\]\[\frac{3}{2}\]

    E)  None of these

    Correct Answer: C

    Solution :

    Not Available                


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