Question # 1

An equation in which all variables are raised to the first power is known as.

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Linear equation

Non linear equation

Quadratic equation

Polynomial of degree two

If each element of a raw of column of a square matrix A is zero, then the value of the determinant. is.

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Equal

One

Zero

None of these

A inverse is defined only if A is a

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Square matrix

Column vector

Orthogonal matrix

Skew symmetric matrix

The set of all elements belonging to A but not to B is.

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B - A

A - B

A'

B'

A determinant composed of all the first order partial derivatives of a system of equations, arranged in ordered sequence is called.

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Hassian determinatn

Jacobian determiant

Discrimianant

First order determinant

For any square matrix a of order 'n'a (Ad)A) is equal to.

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(Ad) A) A

Determinant A

Rank of A

Both a and b

If A and B are symmetric matrix, then AB- BA is.

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Symmetric

Skew symmetric matrix

Idempotent matrix

Orthogonal matrix

A polynomial equation with degree two a called.

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Linear equation

Quadratic equation

Parabola equation

All of the above

The signed minor of the matrass A is called.

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Adjoin

Co factor

Minor

Rank

Which method is used for finding inverse of a matrix.

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Gauss elimination method

Henrich standard method

Co factor method

Both a and c

Union of A and the universal set is

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A

A'

Universal set

None of these

In Vann diagram the universal set is represented by

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Points within a rectangle

Points within a circle

Both a and b

None of these

If two sets contain the same distinct elements, then they are called.

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Equal sets

Unequal sets

Equivalent sets

All of the above

A square matrix a such that A2 = a is called.

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Orthogonal matrix

Skew symmetric matrix

Idempotent matrix

Singular matrix

(A+B) + C =a +(B+C) This law of matrices is known as.

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Cumulative law

Associative law

Distributive law

Identity law

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