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Determinant = Answer

 

Reviewer about determinant.

What is determinant? Answer: Determinant is a calculated scalar value of square matrix.

What is a square matrix? Answer: square matrix means the number of row data and column data are equal. For example the above matrix is called 2 x 2 square matrix because if you count the number of row = 2 and if you count the number of column = 2. Hence , it is called 2 x 2 Square Matrix or Just 2 x 2 Matrix.

How do you compute the value of determinant? Calculation of determinant is time consuming as you can see from calculation shown below. First you need to have a calculator and you must remember from your memory the formula and then the procedure on how to do the computation.


Why do I need to acquire the knowledge and skill on how to compute for the determinant value?

Answer: Acquiring how to compute for determinant of 2 x 2 matrix will help you to use Excel Software or other computer programming language to solve 2 simultaneous linear equation.

Shown below is the time consuming manual calculation of solving two simultaneous linear equation.

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Practice applying your acquired knowledge about determinant.

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Two simultaneous linear equation application, Newspaper and Magazine

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Two simultaneous linear equation application, baseball attendance

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Two simultaneous linear equation application, age problem

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Two simultaneous linear equation application, boat and current speed

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Two simultaneous linear equation application, coin problem

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Two simultaneous linear equation application, two investment

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Two simultaneous linear equation application, Rose and Dogwood Tree

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Application of Determinant 2 x 2 matrix, Area of Parallelogram

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