1,334 prompts matching "A binary operation that is ordinary addition in disguise"
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WAEC Prep: Raising a 2 by 2 matrix to the third power
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through raising a 2 by 2 m
Explain Back: Showing that AB and BA are usually different for 2 by 2 matrices
I have just studied showing that AB and BA are usually different for 2 by 2 matrices in my
Spot My Mistake: Orders that make a product possible one way round but not the other
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Explain Back: The rule that the transpose of a product reverses the order
I have just studied the rule that the transpose of a product reverses the order in my SS3
Learn: Deciding whether a stated matrix calculation is possible at all
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WAEC Prep: When Cramer's rule is quicker than elimination
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WAEC Prep: What Cramer's rule gives when the system is inconsistent
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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: A three-unknown system arising from a word problem
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WAEC Prep: The newton, and how it is defined
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WAEC Prep: Why friction is called a self-adjusting force
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WAEC Prep: Calculating a moment as force times perpendicular distance
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Spot My Mistake: The moment of a force whose line of action is not perpendicular
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Quiz: The point about which the total moment of a set of forces vanishes
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Explain Back: A probability distribution table for a discrete random variable
I have just studied a probability distribution table for a discrete random variable in my
Spot My Mistake: Why the probabilities in a distribution must sum to one
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WAEC Prep: The four conditions a binomial situation must satisfy
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WAEC Prep: The probability of at least one event in a Poisson distribution
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WAEC Prep: A Poisson distribution taken over a different length of interval
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Practice: The probability of exactly r events in a Poisson distribution
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