Determinants Answers
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1
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What is the correct formula for the value of the determinant? ab - cdab + cdad - cbad + cb
A
ab - cdB
ab + cdC
ad - cbD
ad + cb2
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=
Answer:
72
3
=
Answer:
17
5
=
Answer:
0
6
=
Answer:
1
8
What is the correct formula for calculating a 3 x 3 determinant?abc + def + ghi - adg - beh - cfiadg + beh + cfh - abc - beh - cfiaei + bfg + cdh - gec - hfa - idb
A
abc + def + ghi - adg - beh - cfiB
adg + beh + cfh - abc - beh - cfiC
aei + bfg + cdh - gec - hfa - idb9
=
Answer:
152
11
Which of the following statements are true?
A
If any row of a square matrix is zero, its determinant is zero.B
If all numbers in a matrix are equal, its determinant is zero.C
The determinant of any identity matrix is zero.D
The determinant of a matrix with all positive numbers is always positive.E
The determinant of any zero matrix is zero.12
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13
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14
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15
Calculate the value for each determinant:= ⇒ 9
Answer:
PENDING
16
= ⇒ -48
Answer:
PENDING
17
= ⇒ 17
Answer:
PENDING
18
Calculate the value for each determinant:= ⇒ -12
Answer:
PENDING
19
= ⇒ 0
Answer:
PENDING
20
= ⇒ 1
Answer:
PENDING
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