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  3. 11th Class
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11th Class Mathematics Sample Paper Mathematics Sample Paper-3

  • question_answer
    If\[A=\{(x,y):y={{e}^{2x}},x\in R\}\]and \[\{x,y):y={{e}^{-2x}}x\in R\}\]

    A)  \[A\cap B=\phi \]

    B)  \[A\cup B=\phi \]

    C)  \[A\cap B\]is a singleton set         

    D)  None of these

    Correct Answer: C

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