Mathematics Dictionary
Dr. K. G. Shih
Question and Answer
Questions
Symbol Defintion
Sqr(x) = Square root of x
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Deficient numbers
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DeMoivre's Theory : cis(a)^n = cis(n*A)
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DeMoivre's Theory (1)
1. Expand (1 + i)^3
2. Expand (1 + i)^5
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DeMoivre's Theory (2)
1. Solve x^5 - 1 = 0
2. Solve x^4 + x^3 + x^2 + x + 1 = 0 by construction
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DeMoivre's Theory
1. Solve x^5 + 1 = 0 by construction
2. Solve x^4 - x^3 + x^2 - x + 1 = 0 by construction
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Derivative : Sections 02 to 07
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Determinant (2)
1. Two rows identical rule
2. Two columns identical rule
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Differences : 2nd difference and 3rd difference
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