1,331 prompts matching "Which form of the sum formula to use when r is less than one"
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Explain Back: A particle hanging from two strings set at different angles
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Spot My Mistake: Finding two unknown tensions from three forces in equilibrium
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WAEC Prep: A probability distribution shown as a bar chart
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Explain Back: A probability distribution table for a discrete random variable
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Explain Back: Finding n and p from a given mean and variance
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WAEC Prep: Comparing two values from different normal distributions by z-score
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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: Adding three complex numbers
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WAEC Prep: Multiplying a complex number by a real number
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WAEC Prep: Dividing by a purely imaginary number
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Worked Example: Squaring a complex number
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WAEC Prep: A quadratic whose roots are 2 plus i and 2 minus i
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WAEC Prep: Differentiating a constant from first principles
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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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WAEC Prep: Differentiating a polynomial with a fractional index
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Practice: Differentiating sin x and cos x
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Explain Back: Differentiating tan x
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WAEC Prep: Integrating a bracket that must be expanded first
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through integrating a brac