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Type: Posts; User: vicky

1. Thread: Vectors and its Components

by vicky
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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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165

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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160

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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123

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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130

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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106

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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228

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.

by vicky
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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...

by vicky
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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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154

Transpose of a Matrix

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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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161

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...

by vicky
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446

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...

by vicky
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193

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...

by vicky
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0
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550

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
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1
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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
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1
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754

Strong Future International !

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