1,245 prompts matching "work, energy and power"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Practice: The difference of two sets, A minus B
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Spot My Mistake: De Morgan's law that the complement of a union is the intersection of the complements
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Learn: Reading a binary operation defined by a formula such as a*b = a + b - ab
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Practice: Testing a binary operation for associativity
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Spot My Mistake: Finding the inverse of an element under a binary operation
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Learn: Simplifying a surd by extracting the largest perfect square
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Practice: Rationalising a denominator of the form root a
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Spot My Mistake: Squaring a bracket that contains a surd
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Practice: The condition for a quadratic equation to have equal roots
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Spot My Mistake: Forming a new equation whose roots are the reciprocals of the original
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Practice: Factorising a cubic completely once one factor is known
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Spot My Mistake: The factor theorem for a divisor of the form ax minus b
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Learn: The sum of the roots of a cubic read from its coefficients
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Practice: Finding the third root of a cubic when two are known
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Practice: Solving an inequality with the unknown in the denominator
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Spot My Mistake: Showing the solution of an inequality on a number line
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Practice: Arrangements when some of the objects are identical
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Spot My Mistake: Arrangements in which two particular objects must be kept apart
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Practice: Choosing a committee that must contain one particular person
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Spot My Mistake: The identity that n choose r equals n choose n minus r
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