ข้อใดมีค่าเป็นจำนวนจริง
ทบทวนจำนวนเชิงซ้อน

Quiz
•
Mathematics
•
10th - 12th Grade
•
Hard
นางสาวอิสรยาภรณ์ ลิ้มสกุล
Used 1+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
9i6
2i11
4i17
7 - 5i
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
ข้อใดไม่ถูกต้อง
2√-4 = 4i
3√-16 = 12i
√-20 = 2√5i
4√-12= 24i
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
ค่า i + i2 + i3+i4+...+i2501+i2502 เท่ากับจำนวนในข้อใด
1
i - 1
2+i
3
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
กำหนดให้ a+2i = 2−4bi และ z=2b+ai แล้วข้อใดถูก
z= −4+4i
z= −4−4i
z=8−2i
z= 4−4i
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(3−4i) + (5+2i) =?
8−6i
8−2i
8+6i
8+2i
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2(4−i) + 3(1+2i) = ?
11 + 4i
11 − 4i
-11 + i
-11 − i
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(3 − 4i)(2 + 5i) = ?
6 − 20i
−14 + 7i
26 + 7i
14 − 7i
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