1,334 prompts matching "Practice: Finding n when the sum of an arithmetic progression is given"
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Worked Example: Finding a value from a given probability by working backwards
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WAEC Prep: When a Poisson distribution approximates a binomial one
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WAEC Prep: A vector of magnitude one in three dimensions
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WAEC Prep: Using a unit vector to write a force of given size
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Spot My Mistake: The equilibrium condition written in vector form
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Practice: Converting a complex number from polar form back to a plus bi
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Practice: Differentiating x squared from first principles
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Learn: Differentiating sin of a multiple of x
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Spot My Mistake: Classifying a stationary point by the second derivative
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WAEC Prep: Integrating a power of x
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WAEC Prep: Finding velocity by integrating acceleration
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Learn: Finding displacement by integrating velocity
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Practice: A body thrown vertically upwards
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Spot My Mistake: Partial fractions with an irreducible quadratic factor
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Scalar multiplication of a matrix #2
Set me a scalar multiplication question like A=[[-2,3],[1,0]], k=-3, let me attempt multip
Scalar multiplication of a matrix #4
I am in SS 3. Set me a scalar multiplication question like A=[[3,0],[-1,2]], k=5, let me a
Explain pre-multiplication and post-multiplication
I keep mixing up pre-multiplying and post-multiplying matrices. Use two 2x2 matrices A and
Spot my mistake in a matrix transpose
I am in SS 3. I found the transpose of A=[[1,2,3],[4,5,6]] as [[1,4],[2,5],[3,6]] — please
Explain the zero matrix in matrix algebra
I am in SS 3. Explain the zero matrix and its effect in addition, using a 2x2 example to s
Multi-part matrix question: add then multiply
Set me a two-part question: part (a) add two matrices A and B, part (b) multiply the resul