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8th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-15

  • question_answer
    Factorise :\[{{x}^{2}}+\frac{1}{{{x}^{2}}}+2-2x-\frac{2}{x}\]

    A) \[\left( x+\frac{1}{x} \right)\left( x-\frac{1}{x}-2 \right)\]   

    B) \[\left( x+\frac{1}{x} \right)\left( x+\frac{1}{x}-2 \right)\]

    C) \[\left( x-\frac{1}{x} \right)\left( x-\frac{1}{x}-2 \right)\]     

    D) \[\left( x-\frac{1}{x} \right)\left( x-\frac{1}{x}+2 \right)\]

    E)  None of these

    Correct Answer: B

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