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MTH 212 Questions & Answers

1 0 105 - MTH 212 Questions & Answers
1 0 105 - MTH 212 Questions & Answers

Question: Given that U and V are vector spaces over a field F LetT  Urightarrow V be a linear transformation then the set xin UTx  0 is called the

Answer:C: kernel of T

Question: beginbmatrix0 13 12535 4endbmatrix is a matrix

Answer:A: symmetric

Question: The dimension of the matrix beginbmatrix12532810 5 210endbmatrix is

Answer:B: 3 by 4

Question: A square matrix whose tranpose is equal to the negative of the matrix itself is known as

Answer:A: skew symmetric

Question: A one one and onto linear transformation is

Answer:C: invertible

Question: The determinant of beginbmatrixx21x52x3x4endbmatrix is

Answer:A: 2x3 x2 24x15

Question: The transpose ofbeginbmatrix1 1542637 2endbmatrix is a matrix

Answer:B: beginbmatrix143 12756 2endbmatrix

Question: The order of the matrix beginbmatrix125ba3281C0 5 2 510abcdendbmatrix is

Answer:B: 5 by 4

Question: The determinant of beginbmatrix143 12756 2endbmatrix is

Answer:A: 38

Question: The size of the matrix beginbmatrix12281 510endbmatrix is

Answer:A: 2 by 4

Question: A matrix whose determinant is zero is called

Answer:C: singular

Question: The dimension of the kernel of T is the same as the of T

Answer:C: nullity

Question: The determinant of beginbmatrix231000459endbmatrix is

Answer:C: zero

Question: For any linear transformation T Urightarrow V let the dimension of U be finite then Ker T has a dimension

Answer:A: finite

Question: Every vector space is isomorphic to its dual

Answer:B: 2nd

Question: Let T in AV then T is invertible if and only if the constant term in the minimal polynomial of T is

Answer:A: not zero

Question: The of a row reduced echelon matrix is equal to the number of its non zero rows

Answer:B: rank

Question: Every matrix can be reduced to a row reduced echelon matrix by a of elementary row operations

Answer:A: finite sequence

Question: The determinant rank of an m x n matrix A is equal to the of A

Answer:B: rank

Question: The determinant of beginbmatrix2x x 12x3x1 12endbmatrix is

Answer:C: 7x25x2

Question: Let T Urightarrow V be a linear transformation then rank T nullity T

Answer:C: dim U

Question: What is the determinant rank of the determinant ofbeginbmatrix142536endbmatrix

Answer:C: 2

Question: One of the following is not a property of determinants

Answer:B: If two rows or columns are interchanged the determinant is zero

Question: The determinant of beginbmatrix1 2 15x2x3 x2endbmatrix is

Answer:B: 2x2 2x20

Question: Let L R3rightarrow R be the map given by Lxyz x y z What is nullity L

Answer:C: 2

Question: T is called if for each v in V there exist u in U such that Tu v

Answer:A: surjective

Question: If U be a vector space over FThen the space LUF is called the of U

Answer:dual space

Question: The of T is defined to be the dimension of Kernel of T


Question: Every vector space is isomorphic to its dual


Question: A matrix with only row is called a row matrix or row vector


Question: If X and Y are matrices and XYYXI Then X is said to be

Answer:Non singular

Question: The of a matrix is equal to the number of pivots in an echelon form of A


Question: The dimension of R of T is called of T


Question: A matrix that does not have inverse is called aan matrix


Question: Suppose A m by nmatrix the m horizontal list of scalars are called


Question: A rectangular array of scalars within square brackets is square is called


Question: If X and Y are matrices and XY YX I Y is said to be the of A


Question: A square matrix A is said to be invertible if there exists a matrix B such that


Question: A matrix obtained by subjecting Ito an elementary row or column operation is called aan


Question: The matrix 0 is called


Question: The number appearing in the various positions of a matrix are called the of the matrix


Question: The pair of numbers and is called the of the matrix


Question: An matrix is said to be of order n


Question: A is a matrix with the same number of rows and columns


Question: A matrix with only one column is called a vector


Question: A and B are two matrices and ABBA Then A and Bare said to be


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