1,334 prompts matching "Finding the common difference of an arithmetic progression"
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WAEC Prep: A lamp hanging from two wires, solved by Lami's theorem
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Spot My Mistake: When Lami's theorem may be used, and when it may not
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WAEC Prep: A random variable, and the values it may take
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WAEC Prep: Expanding p plus q, all to the power n, as a probability model
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WAEC Prep: The Poisson formula, and what lambda stands for
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Explain Back: Testing whether data are Poisson by comparing mean and variance
I have just studied testing whether data are Poisson by comparing mean and variance in my
Quiz: The area under the normal curve, and what it represents
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WAEC Prep: The standard normal distribution, with mean nought and variance one
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Spot My Mistake: Reading a probability from the standard normal table
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WAEC Prep: The probability that a normal variable exceeds the mean by more than one standard deviation
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WAEC Prep: The zero vector, and what it means
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WAEC Prep: A three-dimensional vector parallel to another
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Worked Example: The distance between two points in three dimensions
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Learn: The unit vectors i, j and k
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WAEC Prep: The distance between two points from their position vectors
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Learn: Subtracting one vector from another
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Explain Back: The dot product of two perpendicular vectors
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WAEC Prep: The angle between two three-dimensional vectors
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WAEC Prep: Showing a triangle is right-angled using the dot product
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WAEC Prep: The resultant force on a particle given in i and j form
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