1,010 prompts matching "Subsets of a given set"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Worked Example: What a determinant of nought means for a 2 by 2 matrix
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WAEC Prep: The determinant of a 3 by 3 matrix with two equal rows
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Worked Example: Evaluating a 3 by 3 determinant by the rule of Sarrus
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WAEC Prep: The determinant Dz in a system of three unknowns
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WAEC Prep: The cofactor of a corner entry
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WAEC Prep: Why the cofactor signs alternate
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WAEC Prep: The minor of an entry of a 3 by 3 matrix
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WAEC Prep: The adjoint of the identity 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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WAEC Prep: The inverse of a 2 by 2 matrix with a fractional determinant
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WAEC Prep: The inverse of an inverse
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WAEC Prep: The inverse of a 2 by 2 matrix as one over the determinant times the adjoint
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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: The inverse of a 3 by 3 matrix from its adjoint and its determinant
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WAEC Prep: Reading the solution off the product of the inverse and the constants
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Worked Example: Checking the solution of three equations by substitution
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Worked Example: The units of mass, and the SI unit
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WAEC Prep: The weight of a body on the moon compared with on earth
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Worked Example: The weight of a body as mass times g
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