1,333 prompts matching "One root twice the other, and what that gives"
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Final Revision: The zeros of a polynomial and where its graph cuts the x-axis
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Worked Example: The sum of the products of the roots of a cubic taken two at a time
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Practice: Finding the third root of a cubic when two are known
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Worked Example: The difference between a permutation and a combination
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Show All Working: Counting the handshakes, or the lines joining n points
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Final Revision: Combinations used with the addition and multiplication principles
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Show All Working: The half angle formulae and the t-substitution
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Quiz: Solving tan x equals a given value, and the period of the tangent
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Worked Example: The shape, period and range of the cosine curve
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Quiz: The tangent curve and its asymptotes
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Final Revision: The graphs of y equals sec x, cosec x and cot x
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Worked Example: The equation of a circle with a given centre and radius
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Quiz: Finding the centre and the radius from the general equation
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Show All Working: The intersection of a circle and a straight line
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Spot My Mistake: The standard deviation of an ungrouped set of data
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Show All Working: The effect on the standard deviation of adding a constant to every value
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Worked Example: The sign convention for clockwise and anticlockwise moments
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Final Revision: A ladder leaning against a wall, and the moments acting on it
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Show All Working: A lift, and the person standing in it
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Final Revision: The distance connected particles travel before one reaches the floor
Act as my WAEC Further Mathematics coach in the last week before the paper. I am in SS 3.