Mappings of complex numbers

Find the images of the following points under mappings:
z=3-2j
w=2zj+j-1

Result

w = (Correct answer is: 3+7j) Wrong answer

Solution:

z=32j w=2zj+j1  w=2(32j)j+j1  w=6j+4+j1  w=3+7j



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