1,334 prompts matching "Sum and product of roots of a cubic exam question"
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Worked Example: Finding a particular term of a binomial expansion
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Worked Example: The probability of no events at all in a Poisson distribution
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Learn: The standard deviation of a binomial distribution
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Quiz: The standard deviation of a Poisson distribution
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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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Quiz: Reading the wording of a question to decide which distribution applies
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Practice: The components of a vector given its magnitude and direction
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Worked Example: Finding the unit vector in the direction of a given vector
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Worked Example: The position vector of the midpoint of AB
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Worked Example: The triangle law of vector addition
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Explain Back: The dot product of two perpendicular vectors
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Learn: The angle between a vector and one of the axes
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Learn: The real and the imaginary parts of a complex number
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Practice: The addition of complex numbers shown on an Argand diagram
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Learn: Choosing between the product rule and the quotient rule
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Worked Example: Classifying a stationary point by the sign of the gradient either side
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Explain Back: The constant of integration, and why it appears
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Worked Example: The area between a curve and the x-axis
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Quiz: Newton's third law, and identifying the pair of forces
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