1,332 prompts matching "Using distributivity to simplify an expression"
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Practice: The sign pattern of the cofactors in a 3 by 3 determinant
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Spot My Mistake: Checking cofactors by expanding the determinant along a second row
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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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Quiz: Checking an inverse by multiplying to get the identity
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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 newton, and how it is defined
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WAEC Prep: Resolving a force into horizontal and vertical components
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WAEC Prep: A table of components used to find a resultant
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WAEC Prep: The triangle of forces used together with the cosine rule
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Spot My Mistake: Drawing the triangle of forces to scale to find an unknown force
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Explain Back: Why the total moment about any point must be nought
I have just studied why the total moment about any point must be nought in my SS3 Further
Explain Back: The units of a moment, and why they are newton metres
I have just studied the units of a moment, and why they are newton metres in my SS3 Furthe
WAEC Prep: The resultant moment of a couple and a force together
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Quiz: The point about which the total moment of a set of forces vanishes
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WAEC Prep: The triangle of forces and concurrence taken together
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Worked Example: Matching each force to the sine of the angle opposite it
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WAEC Prep: Expanding p plus q, all to the power n, as a probability model
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WAEC Prep: The binomial expansion of a plus b all to the power n
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WAEC Prep: The zero vector, and what it means
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