1,328 prompts matching "Learn: What an identity element is"
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Structured question: quadratic formula question with a negative discriminant
I am in SS 3. Give me a quadratic formula question where the discriminant turns out negati
Give me a mixed revision pack blending logic and combinatorics
I am in SS 3. Give me a short mixed revision pack with one propositional logic question an
Worked Example: What a determinant of nought means for a 2 by 2 matrix
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WAEC Prep: When Cramer's rule is quicker than elimination
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Explain Back: What a coefficient determinant of nought says about the system
I have just studied what a coefficient determinant of nought says about the system in my S
Worked Example: The identity that A times its adjoint gives the determinant times the identity
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Quiz: Checking an inverse by multiplying to get the identity
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WAEC Prep: The newton, and how it is defined
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WAEC Prep: Why one component vanishes when the direction is chosen well
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WAEC Prep: Calculating a moment as force times perpendicular distance
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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 variance of a discrete random variable
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WAEC Prep: Comparing the mean with the variance of a binomial distribution
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WAEC Prep: The mean of a binomial distribution as np
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Practice: The variance of a binomial distribution as npq
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WAEC Prep: The variance of a Poisson distribution over two intervals
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WAEC Prep: Using the mean of a Poisson distribution to find a probability
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WAEC Prep: Why the mean and the variance of a Poisson distribution are equal
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Quiz: The standard deviation of a Poisson distribution
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Quiz: The area under the normal curve, and what it represents
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