appreciate if anyone can help me with this complex no. question....especially bi)....need detailed explanation!
Ans as follows:
(b) (i) 2.21
(ii) -2 + I , -2 -i
I'm having a problem with this. My approach is to write
I got that
The problem is that this function has no minimum:
which can never be zero.
Now, looking at the graph of the function you might think that there is a local minimum at , but the function does not exist there.
(I'm going to attempt to upload the graph. Cross your fingers!)
(Yay! It worked! )