1,326 prompts matching "Finding the remaining roots once one is known"
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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: Finding the mean or the standard deviation from a given probability
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Quiz: The probability in the upper tail of a normal distribution
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WAEC Prep: When a Poisson distribution approximates a binomial one
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Spot My Mistake: When the normal distribution may approximate the binomial
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Worked Example: The continuity correction when approximating a discrete distribution
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Quiz: Reading the wording of a question to decide which distribution applies
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Worked Example: The distance between two points in three dimensions
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Quiz: The direction of a vector as an angle with the x-axis
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Worked Example: Finding the unit vector in the direction of a given vector
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Learn: Subtracting one vector from another
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WAEC Prep: The dot product used to find the work done by a force
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WAEC Prep: The dot product worked out from components
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WAEC Prep: Finding the angle between two vectors from their dot product
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Learn: The angle between a vector and one of the axes
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WAEC Prep: Why the square root of a negative number needs i
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WAEC Prep: Writing the square root of minus nine in terms of i
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Explain Back: The locus of a complex number at a fixed distance from a point
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Explain Back: Raising a complex number to a power by de Moivre's theorem
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WAEC Prep: The square roots of a complex number
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