test

1. ชื่อ.........................................................................เลขที่................ชั้น...............
แบบทดสอบเก็บคะแนน ผลการเรียนรู้ข้อที่ 1-3 เรื่องเมทริกช์ (ครูทับทิม เจริญตา)
ผลการเรียนรู้ข้อที่ 1 สรุปความคิดรวบยอดเกี่ยวกับเมทริกซ์ และการดาเนินการของเมทริกซ์ได้ ( 5 คะแนน)
กาหนดให้ 




 

41
34
A และ 






58
61
B ตอบคาถามต่อไปนี้
1. จงหาเมทริกซ์ BA 2 (1 คะแนน)
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2. จงหา เมทริกซ์  tt
BA  (2 คะแนน)
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กาหนดให้ 




 

403
122
A , 








242
511
B และ













211
124
033
C ตอบคาถามต่อไปนี้
3. จงหา t
AB (2 คะแนน)
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2. ผลการเรียนรู้ข้อที่ 2 หาดีเทอร์มิแนนท์ อินเวอร์การบวก และอินเวอร์สการคูณของเมทริกซ์ ได้ (5 คะแนน)
1. กาหนดให้













211
124
033
C จงหา ค่า det C ( 1 คะแนน)
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2. กาหนดให้ 




 

41
23
A จงหา 1
A (1 คะแนน)
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4. กาหนดให้













205
741
046
A จงหาค่าของ )()()( 321222 ACACAC  (1 คะแนน)
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5. ถ้า














420
313
211
A จงหา )det(A (1 คะแนน)
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3. ผลการเรียนรู้ข้อที่ 3 ใช้เมทริกซ์แก้ปัญหาระบบสมการเชิงเส้นได้ (3 คะแนน)
1. กาหนดระบบสมการ
32
42
132



zyx
zyx
zyx
จงหาค่า x + y + z (2 คะแนน)
โดยวิธีการกฎของคาร์เมอร์
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4. 2. กาหนดระบบสมการ
1123
72


yx
yx
จงหาค่า x และ y โดยวิธีการกฎของคาร์เมอร์ (1 คะแนน)
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