Complex Analysis: Theory and Applications · Problem 1.2.1

Complex Numbers — Howell & Matthews

Mathematics — Complex Analysis · complex-arithmetic

Problem

Perform the required calculations and express your answers in the form a+bia + bi. (a) i275i^{275}. (b) 1i5\dfrac{1}{i^5}. (c) Re(i)\text{Re}(i). (d) Im(2)\text{Im}(2). (e) (i−1)3(i-1)^3. (f) (7−2i)(3i+5)(7-2i)(3i+5). (g) Re(7+6i)+Im(5−4i)\text{Re}(7+6i) + \text{Im}(5-4i). (h) Im ⁣(1+2i3−4i)\text{Im}\!\left(\dfrac{1+2i}{3-4i}\right). (i) (4−i)(1−3i)−1+2i\dfrac{(4-i)(1-3i)}{-1+2i}. (j) (1+i3)(i+3)‾\overline{(1+i\sqrt{3})(i+\sqrt{3})}.

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