1,301 prompts matching "An arithmetic progression with a negative common difference"
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Practice: What a singular coefficient matrix says about the equations
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Worked Example: Checking the solution of three equations by substitution
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Worked Example: The weight of a body as mass times g
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Practice: The parallelogram law of forces
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Practice: Choosing the most convenient pair of directions to resolve along
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Practice: Why the forces must sum to nought in two perpendicular directions
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Worked Example: Drawing the polygon of forces to scale
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Worked Example: The moment of a force about a point on its own line of action
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Worked Example: The total moment of three parallel forces about one end
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Practice: Resolving three forces in two perpendicular directions
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Practice: The probability of at least one success
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Practice: The probability of exactly r events in a Poisson distribution
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Worked Example: The probability of no events at all in a Poisson distribution
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Worked Example: Finding a value from a given probability by working backwards
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Worked Example: The continuity correction when approximating a discrete distribution
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Practice: The magnitude of the sum of two vectors
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Worked Example: Finding the unit vector in the direction of a given vector
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Practice: A vector of stated magnitude in a given direction
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Worked Example: The position vector of the midpoint of AB
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Worked Example: Testing two vectors for perpendicularity
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