1,318 prompts matching "IGCSE Additional Maths Y11: Counting with the multiplication principle — Teach M"
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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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Learn: Swapping and negating the entries when inverting a 2 by 2 matrix
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Quiz: Checking an inverse by multiplying to get the identity
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Practice: Why a 2 by 2 matrix with determinant nought cannot be inverted
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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: The inverse of a 3 by 3 matrix from its adjoint and its determinant
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Learn: The order of the steps in inverting a 3 by 3 matrix
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WAEC Prep: Simultaneous equations with fractional coefficients solved by matrix
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WAEC Prep: Reading the solution off the product of the inverse and the constants
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Spot My Mistake: Why the inverse must be applied on the correct side
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WAEC Prep: When the matrix method is worth the work for three unknowns
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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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Quiz: Why mass stays the same wherever the body is taken
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WAEC Prep: The difference between a kilogram and a kilogram weight
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WAEC Prep: The newton, and how it is defined
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WAEC Prep: The resultant of two equal forces at sixty degrees
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WAEC Prep: The resultant of two forces acting at the same point
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WAEC Prep: The magnitude of the resultant of two forces inclined at an angle
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