Question:
Vyberte všetky komplexné čísla, ktoré ležia na kružnici so stredom v $(0,0)$ a s polomerom $\sqrt{10}$ v komplexnej rovine.
Project ID:
7400100085
Answer 1:
$$1+3\mathrm{i}$$
Answer 1 Correct:
1
Answer 2:
$$3-\mathrm{i}$$
Answer 2 Correct:
1
Answer 3:
$$-2+\sqrt6\mathrm{i}$$
Answer 3 Correct:
1
Answer 4:
$$10-\mathrm{i}$$
Answer 4 Correct:
0
Answer 5:
$$10-10\mathrm{i}$$
Answer 5 Correct:
0
Answer 6:
$$10\left(\cos\frac{\pi}{7}+\mathrm{i}\cdot\sin\frac{\pi}{7}\right)$$
Answer 6 Correct:
0
Answer 7:
$$7\left(\cos\frac{\pi}{10}+\mathrm{i}\cdot\sin\frac{\pi}{10}\right)$$
Answer 7 Correct:
0
Answer 8:
$$\sqrt{10}\left(\cos\frac{\pi}{10}+\mathrm{i}\cdot\sin\frac{\pi}{10}\right)$$
Answer 8 Correct:
1