1,318 prompts matching "IGCSE Additional Maths Y11: Counting with the multiplication principle — Teach M"
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Worked Example: Taking a common factor out of a matrix
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Practice: A diagonal matrix
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Worked Example: A singular matrix, and why it has no inverse
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Practice: Evaluating AB minus BA
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Explain Back: Solving a matrix equation containing both a sum and a product
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Worked Example: What a determinant of nought means for a 2 by 2 matrix
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Explain Back: Showing that a system of concurrent forces is in equilibrium
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Practice: Finding an unknown force from a closed polygon
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Practice: Resolving three forces in two perpendicular directions
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Explain Back: A particle hanging from two strings set at different angles
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Explain Back: A probability distribution table for a discrete random variable
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Worked Example: Finding a particular term of a binomial expansion
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Practice: Using a binomial expansion to approximate a number
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Explain Back: Finding n and p from a given mean and variance
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Explain Back: Converting a value to a z-score
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Worked Example: Finding a value from a given probability by working backwards
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Practice: A vector of stated magnitude in a given direction
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Worked Example: Testing two vectors for perpendicularity
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Practice: Equating real and imaginary parts to find two unknowns
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Worked Example: Squaring a complex number
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