此題中矩陣的第(2,2)元是多少?
矩陣的乘法

Quiz
•
Mathematics
•
11th Grade
•
Medium
老師梁蕙如 老師梁蕙如
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
-1
1
2
-2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
試求BA的階數為多少?
3 2
2 2
2 3
3 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A(B+C)=AB+AC
是否正確?
是
否
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A的反方陣中第(2,1)元是多少?
0.75
0.25
-0.75
-0.25
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
若A,B為矩陣,上述等式是否恆成立?
是
否
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A為矩陣,I為單位矩陣,
上述等式是否恆成立?
是
否
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A,B為矩陣,上述等式是恆成立?
是
否
8.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
再來一個回憶殺...
照片中,穿4號球衣的同學座號是幾號?
15
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