1,245 prompts matching "Empty set and its notation"
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Worked Example: The intersection of two overlapping sets
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Explain Back: The symmetric difference of two sets
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Worked Example: Testing whether a binary operation is closed on a given set
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Quiz: Multiplying two surds and simplifying the result
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Practice: Converting between index form and logarithm form
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Explain Back: The laws of logarithms for a product and for a quotient
I have just studied the laws of logarithms for a product and for a quotient in my SS3 Furt
Practice: Finding alpha minus beta from the sum and the product
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Spot My Mistake: Forming an equation whose roots are alpha squared and beta squared
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Quiz: The factor theorem, and testing whether x minus a is a factor
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Spot My Mistake: The relations between roots and coefficients for a quartic
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Final Revision: Combinations used with the addition and multiplication principles
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Quiz: Solving tan x equals a given value, and the period of the tangent
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Final Revision: The graphs of y equals sec x, cosec x and cot x
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Quiz: Finding the centre and the radius from the general equation
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Worked Example: The interquartile range of a set of ordered data
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Explain Back: The variance of an ungrouped set of data
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Final Revision: A ladder leaning against a wall, and the moments acting on it
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Explain Back: The angle of friction, and the coefficient of friction
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Quiz: The centripetal force, and what supplies it in a given situation
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Final Revision: The period and the frequency of circular motion
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