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It's been quite a while since I've made a proper attempt at uni, couple years deferred. Marks are not good for my overall time at uni What are my options to completing my degree (commerce/engineering) or changing courses/uni? Who should I get into contact with in order to discuss...

Complex numbers: the complex plane, addition and subtraction this website states that z+1 on the argand diagram is a shift to the positive along the reals, z+2i shift to the positive on the imaginary. Can anyone explain it to me? and explain what arg(z-2-3i)=pi/3 would look like and what...