Please give details of soln
|z-i| + |z| = 9
Solution. As |z-i| + |z| = 9 and let z = x + yi, then we have
|x+(y-1)i| + |x+iy|=9
So, squaring it, we have
Finding the locus of all points in the complex plane is investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.