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QUIZ

12th
grade

Mathematics

54%

accuracy

77

plays

User image

3 years

Mathematics

12th

grade

Determinants

user

77
plays

10 questions

10 questions

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1. Multiple Choice
5 minutes
1 pt

7
1
- 7
None of these
2. Multiple Choice
5 minutes
1 pt

- 25
5
125
25
3. Multiple Choice
5 minutes
1 pt

11
- 7
- 11
none of these
4. Multiple Choice
5 minutes
1 pt

1/2
-1/2
0
none of these
5. Multiple Choice
5 minutes
1 pt

$\left|A\right|^{\left(n-2\right)}A$
$\left|A\right|^{\left(n-1\right)}A$
$\left|A\right|^{\left(n-2\right)}$
none of these
6. Multiple Choice
5 minutes
1 pt
If A is singular matrix, then A (adj A) =
a unit matrix
a null matrix
a symmetric matrix
none of these
7. Multiple Choice
5 minutes
1 pt
- 5
- 1/5
1/25
25
8. Multiple Choice
5 minutes
1 pt
If A and B are nonsingular matrices of the same order then
(adj AB) =
(adj A)(adj B)
(adj B)(adj A)
does not exist
none of these
9. Multiple Choice
5 minutes
1 pt

none of these
10. Multiple Choice
5 minutes
1 pt

15/13
13/15
13
15
Answer choices
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