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Type: Posts; User: vicky

1. ## Thread: Vectors and its Components

by vicky
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151

### Vectors and its Components

Vectors: Introduction: The quantities which can be measured are called physical quantities. Some physical quantities have magnitudes only but some physical quantities have magnitudes as well as...
2. ## Thread: Solving Equations by Matrix Method

by vicky
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0
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167

### Solving Equations by Matrix Method

The simultaneous equations in two variables can be solved by different methods: substitution method, cross multiplication method etc. Here, we deal with the method of solving linear equations of two...
3. ## Thread: Minors and Cofactors of a Matrix

by vicky
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0
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161

### Minors and Cofactors of a Matrix

Let A be a square matrix and aij is the element in ith row and jth column of A. Then the minor of the element aij is the determinant of the matrix formed by omitting ith row and jth column of A. The...

by vicky
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0
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125

Let A be a square matrix, and Aij be the cofactors of the elements aij of the matrix A, then adjoint or adjugate of A denoted by adj A is the matrix obtained by transposing the matrix of cofactors of...
5. ## Thread: Inverse of a Matrix

by vicky
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0
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131

### Inverse of a Matrix

If A is a non-singular square matrix i.e. |A| ≠ 0, and there exists another square matrix B such that AB = BA = I where I is an identity matrix of order same as that of A or B, then the matrix B is...
6. ## Thread: Determinant of a Matrix

by vicky
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0
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114

### Determinant of a Matrix

If A is a square matrix, its determinant is denoted by |A| or det.(A). And, the value of determinant is calculated differently for different ordered square matrices. Here is mentioned about the...
7. ## Thread: Marked Price, Discount and VAT

by vicky
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0
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230

### Marked Price, Discount and VAT

The price which is listed or printed on the item or article for sell is called the marked price or labelled price of the item. It is denoted by MP.

8. ## Thread: Profit and Loss

by vicky
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0
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93

### Profit and Loss

The term Profit and Loss is used in business. In business transaction goods are purchased and sold. The price used to purchase is called “Cost Price” and written as CP. The price obtained by selling...
9. ## Thread: Multiplication of Matrices

by vicky
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0
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104

### Multiplication of Matrices

Let A and B be two matrices. Then, the multiplication of matrices A and B i.e. product of A and B is denoted by AB if it is defined. The product AB can be defined or cannot be defined. It depends on...
10. ## Thread: Transpose of a Matrix

by vicky
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0
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155

### Transpose of a Matrix

2333

Let A be a matrix. Then a new matrix obtained by interchanging the corresponding rows and columns of A is called the transpose of A. It is denoted by A’ or At.

11. ## Thread: Matrix | What is Matrix?

by vicky
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162

### Matrix | What is Matrix?

A matrix is a rectangular array of numbers arranged in horizontal and vertical lines and enclosed between round or square brackets. Horizontal lines are called rows and vertical lines are called...
12. ## Thread: 10 Math Problems

by vicky
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456

### 10 Math Problems

10 Math Problems is a mathematics blog serving with the illustration of different mathematical topics and the terms of grade 10 and beyond. It provides example solutions of related problems on the...
13. ## Thread: 10 Math Problems

by vicky
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0
Views
199

### 10 Math Problems

10 Math Problems is a mathematics blog serving with the illustration of different mathematical topics and the terms of grade 10 and beyond. It provides example solutions of related problems on the...
14. ## Thread: 10 Math Problems

by vicky
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0
Views
559

### 10 Math Problems

10 Math Problems is a mathematics blog serving with the illustration of different mathematical topics and the terms of grade 10 and beyond. It provides example solutions of related problems on the...
15. ## Thread: Strong Future International !

by vicky
Replies
1
Views
754

### The U.S. Social Security Board reports that 85...

The U.S. Social Security Board reports that 85 out of 100 Americans reaching age 65 don't possess as much as \$250.

And only 2% are self-sustaining (the rest dependent on family, church, or the...
16. ## Thread: Strong Future International !

by vicky
Replies
1
Views
754

### Strong Future International !

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