1,206 prompts matching "Explaining why sum to infinity only works for |r| < 1"
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Learn: The standard deviation of a binomial distribution
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Learn: Finding lambda from a stated mean
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Learn: The mean, median and mode of a normal distribution
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Spot My Mistake: The proportion of a normal distribution within one, two and three standard deviations
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Spot My Mistake: Reading a probability from the standard normal table
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Learn: The probability that a normal variable lies between two values
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Practice: Using the normal tables when the z-score is negative
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Spot My Mistake: When the normal distribution may approximate the binomial
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Learn: The coordinates of a point in three dimensions
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Practice: The dot product as the magnitudes times the cosine of the angle
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Practice: Deciding whether a point lies on a given line
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Learn: The real and the imaginary parts of a complex number
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Spot My Mistake: Dividing one complex number by another using the conjugate
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Practice: The argument of a complex number in the second or third quadrant
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Practice: The addition of complex numbers shown on an Argand diagram
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Learn: The cube roots of unity
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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: Choosing between the product rule and the quotient rule
You are my personal SS3 Further Mathematics tutor. Teach me choosing between the product r
Learn: Differentiating sin of a multiple of x
You are my personal SS3 Further Mathematics tutor. Teach me differentiating sin of a multi