1,322 prompts matching "The middle term when n is even"
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WAEC Prep: The inverse of a 3 by 3 matrix from its adjoint and its determinant
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Quiz: Why mass stays the same wherever the body is taken
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Spot My Mistake: The moment of a force whose line of action is not perpendicular
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Learn: The algebraic sum of moments when the senses differ
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Quiz: The point about which the total moment of a set of forces vanishes
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Spot My Mistake: Why the probabilities in a distribution must sum to one
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Quiz: The situations a Poisson distribution models
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Quiz: The standard deviation of a Poisson 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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Quiz: The probability in the upper tail of a normal distribution
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WAEC Prep: When a Poisson distribution approximates a binomial one
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Quiz: Reading the wording of a question to decide which distribution applies
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Quiz: The direction of a vector as an angle with the x-axis
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WAEC Prep: Writing the square root of minus nine in terms of i
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WAEC Prep: The nth term of an arithmetic progression
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WAEC Prep: A geometric progression in which one term is given as a product
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WAEC Prep: The nth term of a geometric progression
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WAEC Prep: Why the sum to infinity fails when the ratio reaches one
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WAEC Prep: The first term found from the sum to infinity and the ratio
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WAEC Prep: The coefficient of the term in x to the power r
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