
จำนวนเชิงซ้อน

Quiz
•
Mathematics
•
11th Grade
•
Hard
anuchit sukprasert
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ให้ z = 2 - 3i อยากทราบว่าค่าของ Im(z) เท่ากับเท่าใด
2
3
-3
-3i
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ให้ z = 2 - 3i อยากทราบว่าค่าของ Re(z) เท่ากับเท่าใด
2
3
-3
-3i
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2
-2
4
-4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1
-1
i
-i
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
สังยุคของ 3i + 2 เท่ากับเท่าใด
3i - 2
2 - 3i
-2 - 3i
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ผลบวกของจำนวนเชิงซ้อน (2, -3) กับ (-4, -5) เท่ากับเท่าใด
(-2, -2)
(2, -2)
(-2, -8)
(2, -8)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ผลคูณของจำนวนเชิงซ้อน (2, -3) กับ (-4, -5) เท่ากับเท่าใด
(-8, -15)
(-8, 15)
(-23, 2)
(7, -22)
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