PPSC Economics Topic 13 Mathematics in Economics

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  • Chapter NameMathematics for economic

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

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

Question # 2

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

Question # 3

The increase in dependent variable that results when the independent variable increases by one unit in a simple lines. function is called.

Question # 4

The signed minor of the matrass A is called.

Question # 5

Matrix multiplication does not satisfy

Question # 6

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

Question # 7

if two sets do not have any common element, then they are called.

Question # 8

A square matrix with 1's in its principal diagonal and zeros every where else is.

Question # 9

If matrix A is of m x n dimension, then A will be

Question # 10

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

Question # 11

Which method is used for finding inverse of a matrix.

Question # 12

Relation between two numbers or variables are called.

Question # 13

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

Question # 14

The sufficient condition required for the matrix to posses inverse is that the matrix should be.

Question # 15

A set containing only one element is termed as

Question # 16

Union of A and a null set is equal is.

Question # 17

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

Question # 18

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

Question # 19

Unknown values in an equation are called.

Question # 20

A polynomial equation with degree two a called.

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