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11th Class Mathematics Sample Paper Mathematics Olympiad - Sample Paper-6

  • question_answer
    Domain of\[{{e}^{x}}=1+x+\frac{{{x}^{2}}}{2}+\frac{{{x}^{3}}}{3}+....\infty \]is

    A)  \[\left( 1,\infty  \right)\]               

    B)  \[\left( 0,\infty  \right)\]

    C)  \[\left( -\infty ,0 \right)\]              

    D)  \[\left( -\infty ,-\infty  \right)\]

    Correct Answer: D

    Solution :

    [d] \[\because \]Domain of \[{{e}^{x}}=(-\infty ,\infty )\] Range of \[{{e}^{x}}=(1,\infty )\].


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