PPSC Economics Topic 13 Mathematics in Economics

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PPSC Economics Topic 13 Mathematics in Economics

  • Total Questions20

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PPSC Economics Topic 13 Mathematics in Economics

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Question # 1

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

Question # 2

Union of A and the universal set is

Question # 3

Who is regarded as the founder of theory of sets.

Question # 4

A linear function of the form 6x2 - 2y + 8 = 0 is known as.

Question # 5

A square matrix A, such that A = A ' is called a

Question # 6

If every element of a set B is also an elements of A then

Question # 7

a possible use in encomia's for the circle or the ellipse is to model.

Question # 8

The slope of a horizontal line is.

Question # 9

The variable that stands alone on the left hand side of the equation such as y = 2x + 1 is known as.

Question # 10

For any square matrix A of order 'n' a +A is.

Question # 11

if we are told that the two statements y = 3x2 and y = x + 10' are bout true at the same time , they are called.

Question # 12

A positive definite Hessian fulfills the second order conditions for

Question # 13

Union of A and a null set is equal is.

Question # 14

The objects constituting a set are called

Question # 15

The simplest form of rectangular hyperbola is

Question # 16

Which method is used for finding inverse of a matrix.

Question # 17

The set of 'stars in the sky' is an example of

Question # 18

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

Question # 19

"Null set is proper subset of all the non nul sets" this statement is.

Question # 20

The determinant of a matrix and that of its transpose are

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