1,239 prompts matching "Summarise permutations and combinations for quick revision"
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WAEC Prep: Proving two given lines parallel from their gradients
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Show All Working: Proving two given lines perpendicular from their gradients
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Common Mistakes: The angle between two lines found from their gradients
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WAEC Prep: The length of the tangent from an external point
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Show All Working: The rectangular hyperbola xy equals c squared
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Common Mistakes: Identifying a conic from a general second-degree equation
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WAEC Prep: The closest approach of two moving ships
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Show All Working: The time at which two bodies are nearest one another
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Common Mistakes: The relative displacement of two bodies after a given time
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Common Mistakes: What becomes of the tension when the string goes slack
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WAEC Prep: Limiting equilibrium, with a body on the point of sliding
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Show All Working: The angle at which a body just begins to slide
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Common Mistakes: The work done against friction on an incline
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WAEC Prep: The conical pendulum
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WAEC Prep: The simple pendulum as an example of simple harmonic motion
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Common Mistakes: The energy of a body in simple harmonic motion
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WAEC Prep: Two elastic strings supporting one particle
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Show All Working: The work done in stretching an elastic string
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Common Mistakes: A particle oscillating on the end of an elastic string
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