2. Solved Papers
  3. CET Karnataka Engineering

CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2009

  • question_answer
     The complex number \[\frac{1+2i}{1-i}\] lies in

    A)  second quadrant

    B)  third quadrant

    C)  fourth quadrant  

    D)  first quadrant

    Correct Answer: A

    Solution :

    \[\frac{1+2i}{1-i}\times \frac{1+i}{1+i}=\frac{-1+3i}{2}\] Hence, it lies in second quadrant.


You need to login to perform this action.
You will be redirected in 3 sec spinner