1,324 prompts matching "Closure on a set of three elements under a stated rule"
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Practice: Finding an unknown force from a closed polygon
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Practice: Limiting friction, and the greatest value it can reach
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Spot My Mistake: Why the probabilities in a distribution must sum to one
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Practice: Using a binomial expansion to approximate a number
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Quiz: The situations a Poisson distribution models
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Spot My Mistake: When the normal distribution may approximate the binomial
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Quiz: Writing a two-dimensional vector as a column
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Learn: Subtracting one vector from another
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Practice: Deciding whether a point lies on a given line
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Spot My Mistake: The equilibrium condition written in vector form
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Quiz: Subtracting one complex number from another
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Spot My Mistake: Dividing one complex number by another using the conjugate
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Practice: Converting a complex number from polar form back to a plus bi
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Spot My Mistake: Classifying a stationary point by the second derivative
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Quiz: Using the initial conditions to fix the constants in a kinematics problem
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Practice: The sign convention for displacement, velocity and acceleration
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Learn: Newton's second law written as F equals ma
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Spot My Mistake: Finding the common ratio from two given terms
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Spot My Mistake: Partial fractions with an irreducible quadratic factor
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Quiz: The remainder theorem, and the remainder on dividing by x minus a
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