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Dot Product

Dot Product. Cross Product. De Moivre’s Theorem. DeMoivre's Theorem is true even if n is a complex number (has a real part and possibly an imaginary part), but when n is an integer we can prove the formula easily by using some basic trigonometry. Determinant of a Matrix.

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Dot Product

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  1. Dot Product

  2. Cross Product

  3. De Moivre’s Theorem DeMoivre's Theoremis true even if n is a complex number (has a real part and possibly an imaginary part), but when n is an integer we can prove the formula easily by using some basic trigonometry.

  4. Determinant of a Matrix For a matrix A defined as Where Cij is the cofactor and k is an integer between 1 and n

  5. Minor and Cofactor The minor, Mij, of the element a in a matrix A is the determinant of the matrix that remains after we delete the row i and column j containing aij. The relationship between cofactor, Cij, and minor, Mij, is defined as follows:

  6. Cramer’s Rule To solve a system of equations

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