1,334 prompts matching "Sum of an arithmetic series given the first and last term"
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Practice: Why a 2 by 2 matrix with determinant nought cannot be inverted
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Practice: What a singular coefficient matrix says about the equations
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Practice: Comparing the inverse method with elimination for three equations
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Learn: Converting a weight given in kilogram-force into newtons
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Practice: Finding an unknown force from a closed polygon
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Practice: Using a binomial expansion to approximate a number
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WAEC Prep: A Poisson distribution taken over a different length of interval
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Worked Example: Finding a value from a given probability by working backwards
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Practice: Using the normal tables when the z-score is negative
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WAEC Prep: A vector of magnitude one in three dimensions
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WAEC Prep: Adding two vectors given in component form
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Practice: Equating real and imaginary parts to find two unknowns
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Practice: Differentiating x squared from first principles
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Practice: Differentiating sin x and cos x
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Learn: Differentiating sin of a multiple of x
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WAEC Prep: Integrating a power of x
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Quiz: Choosing which equation of motion to use
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WAEC Prep: A geometric progression in which one term is given as a product
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Practice: The middle term when the power is odd
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Practice: Finding a remainder without carrying out the division
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