8th Class Mathematics Rational Numbers Question Bank Rational Numbers

  • question_answer
    The multiplicative inverse of \[-\frac{a}{b}\] is______.

    A)  \[\frac{a}{b}\]                                   

    B)  \[\frac{b}{a}\]           

    C)  \[-\frac{b}{a}\]                     

    D)  None of these 

    Correct Answer: C

    Solution :

    Multiplicative inverse of \[\left( -\frac{a}{b} \right)\] is \[{{\left( -\frac{a}{b} \right)}^{-1}}=-\frac{b}{a}\].


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