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8th Class Mental Ability Numbers Question Bank Real Numbers

  • question_answer
    If 'a' and 'b' are two non-negative real numbers, which of the following is true?

    A)  \[\sqrt{a}+\sqrt{b}=\sqrt{a+b}\]

    B)      \[\sqrt{a}-\sqrt{b}=\sqrt{a-b}\]         

    C) \[\sqrt{a}-\sqrt{b}\ne \sqrt{a-b}\]      

    D) \[\sqrt{a}+\sqrt{b}=\sqrt{ab}\]        

    Correct Answer: C

    Solution :

    Not Available


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