Question:

Union of A and a null set is equal to

A.

intersection of a and null set

B.

null set

C.

both (a) and (b)

D.

a

Answer» d. a

Question:

If A & B are symmetric matrices, then A + B is

A.

symmetric

B.

non-symmetric

C.

skew symmetric

D.

non-skew symmetric

Answer» a. symmetric

Question:

If each element of a raw or column is a sum of two elements, the determinant can be expressed asthe

A.

sum of two determinants

B.

difference of two determinants

C.

multiplication of two determinants

D.

division of two determinants

Answer» a. sum of two determinants

Question:

If IAI=24. then the determinant of its transpose is

A.

48

B.

0

C.

24

D.

42

Answer» c. 24

Question:

If the value of the Jacobian determinant , the equations are

A.

functionally dependent

B.

functionally independent

C.

linearly dependent

D.

none of these

Answer» b. functionally independent

Question:

In matrix algebra (AB)C=A(BC) is

A.

associative

B.

commutative

C.

distributive

D.

none of the above

Answer» a. associative

Question:

A set containing all the elements of the universal set except those of set A is called

A.

complement of set a

B.

complement of universal set

C.

union of a and universal set

D.

universal set itself

Answer» a. complement of set a

Question:

Who is regarded as the founder of theory of sets?

A.

adam smith

B.

karl frederich gauss

C.

george cantor

D.

euller

Answer» d. euller

Question:

A mathematical statement setting two algebraic expressions equal to each other is called

A.

equation

B.

hypothesis

C.

inequality

D.

all the above

Answer» a. equation

Question:

The set of all subsets of a set A is called

A.

power set of a

B.

complement of a

C.

both (a) and (b)

D.

none of these

Answer» a. power set of a