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Colleges

Triton International College

Location: Subidhanagar, Tinkune

Phone No: 123456790

Courses: BCA, BBA, BIM, BBS, BIT

Triton International College

Location: Subidhanagar, Tinkune

Phone No: 123456790

Courses: BCA, BBA, BIM, BBS, BIT

Matrix and Determinant

10. the value of | 2 3 4 5 6 7 10 12 14 | is [2075]

10

15

0

20

11. If A = (1,2,3) and b = ( 1 2 3 ) then AB is [2075]

4

14

0

15

12. The inverse of the matrix | 1 1 1 3 | is [2075]

| 3 1 1 1 |

1 2 | 3 1 1 1 |

| 3 1 1 1 |

1 2 | 1 1 1 3 |

10. If A = ( 1 2 3 ) and B = ± ( 1 2 3 ) then AB is [2074]

( 1 49 )

( 1 4 )

0

( 1 2 3 2 4 6 3 6 9 )

11. Value of [ 0 2 3 1 2 3 4 8 12 ] is [2074]

10

1

0

-1

12. Matrix ( 1 2 3 1 0 4 3 4 5 ) is [2074]

Diagonal

Symmetric

Skew Symmetric

unit

10. If [ k 1 0 2 0 k 0 2 1 ] = 0, then k = [2073]

1

-1

0

± 1

11. The value of x for which A = [ 6 x 3 3 x ] has no inverse is [2073]

0

1

-2

2

10. If A = ( 1 0 2 ) and B = ( 2 3 4 ) , then AB is [2072]

6

0

(-2 0 8)

(2 0 -4)

11. The value of the determinant [ 1 2 0 2 4 1 3 6 2 ] is [2072]

1

3

0

4

12. The adjoint of the matrix abcd is [2072]

( a d b c )

( a b d c )

( a d c b )

( d -b -c a )

8. If A = [ 1 2 2 3 ] , then A2 - nA - I = 0, then the value of n is [2071]

0

4

1

-4

9. If A = [ 1 0 1 0 1 1 1 0 0 ] , then A is [2071]

Symmetric

Skew-Symmetric

Singular

Non Singular

4. If A = ( a b   c d ) , then A100 is equal to [2070]

1

0

-1

None

I there is