xxcynthistxx
xxcynthistxx
10.04.2020 • 
Mathematics

1. Compute (5+3i)(5-3i)
express your answer in the form of a+bi, where a and b are real numbers.
2. Express (2+i)/(4+i) in the form of a+bi, where a and b are real numbers.
3. Find all complex number z satisfying the equation (z+1)/(z-1)=i

THANKS SO MUCH FOR YOUR HELP!!!

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