1,334 prompts matching "Sum of the first n terms of an arithmetic series"
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Find the range of x for which y = x^3 - 3x is increasing
I am in SS 3. Give me the curve y = x^3 - 3x as a structured question asking for the range
WAEC Prep: The transpose of a column vector
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WAEC Prep: The transpose of a transpose
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WAEC Prep: Writing the transpose of a matrix by turning rows into columns
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Explain Back: The rule that the transpose of a product reverses the order
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Quiz: The zero matrix, and how it differs from nought in arithmetic
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Explain Back: The order of the answer when two matrices are multiplied
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WAEC Prep: Setting out the coefficient determinant for two simultaneous equations
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Worked Example: Forming the determinant Dy by replacing the second column
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WAEC Prep: The minor of an entry of a 3 by 3 matrix
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WAEC Prep: The order in which the cofactors are transposed
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WAEC Prep: The adjoint as the transpose of the matrix of cofactors
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Worked Example: The identity that A times its adjoint gives the determinant times the identity
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WAEC Prep: The inverse of an inverse
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WAEC Prep: How long the inverse of a 3 by 3 matrix takes, and how to shorten it
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WAEC Prep: Checking the determinant before attempting a 3 by 3 inverse
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WAEC Prep: Reading the solution off the product of the inverse and the constants
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WAEC Prep: A particle, and what the word assumes
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WAEC Prep: A rigid body, and what the word assumes
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Worked Example: The units of mass, and the SI unit
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