Home /
Expert Answers /
Advanced Math /
3-a-draw-all-complex-numbers-z-such-that-operatorname-re-left-z-2-1-right-leq-0-pa343
(Solved):
3. (a) Draw all complex numbers \( z \) such that \( \operatorname{Re}\left(z^{2}-1\right) \leq 0 ...
3. (a) Draw all complex numbers \( z \) such that \( \operatorname{Re}\left(z^{2}-1\right) \leq 0 \) and \( \operatorname{Im}\left(z^{2}-1\right)=0 \). (b) Explain that (a) gives the branch cut of the principal value of \( \left(z^{2}-1\right)^{\frac{1}{2}} \).