7400100085

Submitted by vladimir.arzt on Sun, 10/13/2024 - 21:10
Question: 
Choose all complex numbers that lie on the circle centered at (0,0) with a radius of 10 in the complex plane.
Project ID: 
7400100085
SubArea: 
Complex numbers in algebraic and polar form
Answer 1: 
1+3i
Answer 1 Correct: 
1
Answer 2: 
3−i
Answer 2 Correct: 
1
Answer 3: 
−2+6i
Answer 3 Correct: 
1
Answer 4: 
10−i
Answer 4 Correct: 
0
Answer 5: 
10−10i
Answer 5 Correct: 
0
Answer 6: 
10(cos⁡π7+i⋅sin⁡π7)
Answer 6 Correct: 
0
Answer 7: 
7(cos⁡π10+i⋅sin⁡π10)
Answer 7 Correct: 
0
Answer 8: 

10(cos⁡π10+i⋅sin⁡π10)

Answer 8 Correct: 
1