Lesson Playlist: Two-by-Two Determinants Mathematics • First Year of Secondary School
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04:22Evaluating a 2 × 2 Determinant to Solve a Quadratic Equation
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01:39Evaluating Determinants
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02:54Evaluating Determinants Using Their Properties
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01:37Determinants of Matrices Involving Trigonometric Functions
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04:08Evaluating the Determinant of a Matrix
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02:22Solving a Simple Equation with Determinants
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01:41Evaluating a 2 × 2 Determinant to Solve a Linear Equation
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01:11Evaluating a Determinant in Terms of 𝑥
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01:49Finding an Expression for the Determinant of a Two-by-Two Matrix
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01:02Evaluating the Determinant of a Given Matrix
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02:02Finding the Value of 𝑥 Using Operations on Matrices
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01:55Solving Linear Equations Resulting from Evaluating Second-Order Determinants
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02:45Solving Trigonometric Equations Involving Determinants
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01:30Evaluating the Determinant of a 2 × 2 Diagonal Matrix
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01:16Evaluating a 2 × 2 Determinant
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02:17Adding Determinants of Matrices
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02:40Evaluating Determinants Involving Trigonometric Functions
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01:28Evaluating a 2 × 2 Determinant
