Question:
Simplify the given complex numbers and select those that lie on the positive part of the real axis.
Project ID:
7400100064
Answer 1:
$$\mathrm{i}^{37}\cdot\mathrm{i}^{43}+\mathrm{i}^{26}\cdot\mathrm{i}^{50}$$
Answer 1 Correct:
1
Answer 2:
$$1-2\cdot\mathrm{i}^{14}\cdot\mathrm{i}^{66}$$
Answer 2 Correct:
0
Answer 3:
$$2-\mathrm{i}^{17}\cdot\mathrm{i}^{19}$$
Answer 3 Correct:
1
Answer 4:
$$\mathrm{i}^{45}\cdot(1+\mathrm{i})\cdot(1-\mathrm{i})$$
Answer 4 Correct:
0
Answer 5:
$$\mathrm{i}^{51}\cdot\mathrm{i}^{32}-\mathrm{i}^{41}\cdot\mathrm{i}^{61}$$
Answer 5 Correct:
0
Answer 6:
$$(1+2\mathrm{i})\cdot\mathrm{i}\cdot(3-\mathrm{i})$$
Answer 6 Correct:
0
Answer 7:
$$\mathrm{i}^{36}\cdot(2+\mathrm{i})\cdot(2-\mathrm{i})$$
Answer 7 Correct:
1
Answer 8:
$$(\mathrm{i}^{25}-\mathrm{i}^{47})^2$$
Answer 8 Correct:
0