Nombres complexes : Test préliminaire

\(0\)

\(8\)

\(\frac{18}{5}\)

\(18\)

\(\cos{\frac{\pi}{4}}+i\sin{\frac{\pi}{4}}\)

\(\sqrt{2}(\cos{\frac{\pi}{4}}+i\sin{\frac{\pi}{4}})\)

\(2(\cos{\frac{\pi}{4}}+i\sin{\frac{\pi}{4}})\)

\(\sqrt{2}(\cos{\frac{\pi}{3}}+i\sin{\frac{\pi}{3}})\)

\(-5\)

\(12\)

\(12i\)

\(-4\)

\(-1\)

\(\frac{i}{2}\)

\(i\)

\(1\)

\(-5-4i\)

\(12-4i\)

\(-4-10i\)

\(-10-4i\)

\(3-i\mbox{ et }2-i\)

\(-1+3i\mbox{ et }-1+2i\)

\(\dfrac{5-3i}{2}\mbox{ et }\dfrac{5-i}{2}\)

\(-3+i\mbox{ et }-2+i\)

\(6+2i\)

\(2i\)

\(6+4i\)

\(6-6i\)

\(0, 2i\mbox{ et }-2i\)

\(2+i, -2+i \mbox{ et }-1-2i\)

\(1+\sqrt{3}i, -1+\sqrt{3}i \mbox{ et }-\sqrt{3}-i\)

\(\sqrt{3}+i, -\sqrt{3}+i\mbox{ et }-1-\sqrt{3}i\)

\(\cos{a}+i\sin{a}\)

\(\cos{a}-i\sin{a}\)

\(\cos{\frac{1}{a}}+i\sin{\frac{1}{a}}\)

\(\sin{a}+i\cos{a}\)

\(-1+i\mbox{ et }-1-i\)

\(-2+2i\mbox{ et }-2-2i\)

\(-1\)

Pas de solution