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

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

Question # 2

Unknown values in an equation are called.

Question # 3

Union of A and the universal set is

Question # 4

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

Question # 5

any number raise to the power zero is always equal to.

Question # 6

A variable which is free to take any value we choose to assign to it is called.

Question # 7

Ordered Pairs of two sets are called.

Question # 8

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

Question # 9

Who is regarded as the founder of theory of sets.

Question # 10

Which method is used for finding inverse of a matrix.

Question # 11

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

Question # 12

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

Question # 13

The determinant of quadratic form is called.

Question # 14

The associative law of union is

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

If A is a square matrix of order ' n' and lis the unit matrix of the same order then A 1 is equal to.

Question # 20

The set of subsets of a set A is called.

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