1,334 prompts matching "The sum of an arithmetic progression with a negative common difference"
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WAEC Prep: Calculating a moment as force times perpendicular distance
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WAEC Prep: A particle in equilibrium on a smooth inclined plane
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WAEC Prep: The conditions for a particle under three forces to be in equilibrium
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Learn: Finding two unknown forces by Lami's theorem
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WAEC Prep: The four conditions a binomial situation must satisfy
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Quiz: The situations a Poisson distribution models
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Learn: Finding lambda from a stated mean
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WAEC Prep: Why the total area under the normal curve is one
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WAEC Prep: The probability that a normal variable lies below a given value
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Learn: The probability that a normal variable lies between two values
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WAEC Prep: A question whose wording hides which distribution is meant
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WAEC Prep: Choosing between a binomial and a Poisson model
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Spot My Mistake: When the normal distribution may approximate the binomial
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WAEC Prep: Writing a two-dimensional vector in i and j form
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WAEC Prep: Writing a three-dimensional vector in i, j and k form
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WAEC Prep: A unit vector, and what makes it a unit
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Practice: A vector of stated magnitude in a given direction
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WAEC Prep: The dot product used to find the work done by a force
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WAEC Prep: The dot product worked out from components
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WAEC Prep: Writing a force as a vector in i and j form
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