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10th Class Mathematics Real Numbers Question Bank Real Numbers

  • question_answer
    If 'a' and 'b' are rational numbers and \[\frac{2+\sqrt{3}}{2-\sqrt{3}}=a+b\sqrt{3},\]then \[{{(a+b)}^{2}}=\_\_\_\_\_\_\_.\]

    A) 121                             

    B) 171                 

    C)  116                

    D)         198                

    Correct Answer: A

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