1,065 prompts matching "IGCSE Additional Maths Y11: Proving three points collinear using vectors — Expla"
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Explain Back: Forming a cubic equation whose three roots are given
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Show All Working: Three roots in arithmetic progression in a cubic
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Common Mistakes: Three roots in geometric progression in a cubic
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Show All Working: Counting the handshakes, or the lines joining n points
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WAEC Prep: The three forms of the double angle formula for cosine
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Learn: The distance between two points
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Worked Example: The midpoint formula applied to a given segment
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Quiz: The gradient of the line through two points
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Practice: The equation of a line through a point with a given gradient
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Explain Back: The equation of the line through two given points
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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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Explain Back: Deciding whether a point lies inside, on or outside a circle
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Spot My Mistake: The equation of the tangent to a circle at a point on it
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WAEC Prep: The length of the tangent from an external point
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Worked Example: The parametric form of a point on a parabola
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Learn: The moment of a force about a point, and its units
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Spot My Mistake: The point at which a loaded beam will tip about its support
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WAEC Prep: A couple, and why its moment is the same about every point
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WAEC Prep: Limiting equilibrium, with a body on the point of sliding
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