1,303 prompts matching "Why brackets matter when an operation is not associative"
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Spot My Mistake: Why the inverse must be applied on the correct side
Act as my SS3 Further Mathematics tutor. Work a question on why the inverse must be applie
WAEC Prep: When the matrix method is worth the work for three unknowns
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WAEC Prep: Why friction is called a self-adjusting force
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Quiz: The point about which the total moment of a set of forces vanishes
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Learn: The expectation of a discrete random variable
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Learn: The standard deviation of a binomial distribution
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Quiz: The standard deviation of a Poisson distribution
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WAEC Prep: Why the total area under the normal curve is one
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Learn: The mean, median and mode of a normal distribution
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Spot My Mistake: The proportion of a normal distribution within one, two and three standard deviations
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Practice: Using the normal tables when the z-score is negative
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WAEC Prep: When a Poisson distribution approximates a binomial one
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Spot My Mistake: When the normal distribution may approximate the binomial
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Worked Example: The continuity correction when approximating a discrete distribution
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WAEC Prep: A three-dimensional vector parallel to another
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Quiz: The direction of a vector as an angle with the x-axis
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Learn: Subtracting one vector from another
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Quiz: Subtracting one complex number from another
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WAEC Prep: Why the limit is taken as h tends to nought
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through why the limit is t
Worked Example: Differentiating a bracket raised to a power
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