1,328 prompts matching "Testing the even numbers for closure under addition"
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Practice: Why a 2 by 2 matrix with determinant nought cannot be inverted
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Quiz: Checking a 3 by 3 inverse by multiplication
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Learn: Inertia, and what mass actually measures
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Explain Back: A particle hanging from two strings set at different angles
I have just studied a particle hanging from two strings set at different angles in my SS3
Explain Back: Finding n and p from a given mean and variance
I have just studied finding n and p from a given mean and variance in my SS3 Further Mathe
Learn: Finding lambda from a stated mean
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Explain Back: Converting a value to a z-score
I have just studied converting a value to a z-score in my SS3 Further Mathematics class. L
Quiz: Writing a two-dimensional vector as a column
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Spot My Mistake: Drawing a vector as a directed line segment
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Practice: A vector of stated magnitude in a given direction
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Practice: Equating real and imaginary parts to find two unknowns
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Practice: Why complex roots of a real quadratic come in conjugate pairs
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Practice: Differentiating x squared from first principles
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Explain Back: Differentiating one over x from first principles
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Practice: Differentiating sin x and cos x
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Explain Back: Differentiating tan x
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Learn: Differentiating sin of a multiple of x
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Learn: Integrating a polynomial term by term
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Learn: Finding displacement by integrating velocity
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Quiz: A rate of change problem about a vessel filling with water
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