1,278 prompts matching "Find sum and product of roots of x^2 - 8x + 15 = 0"
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Quiz: The coefficient of friction between two surfaces
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Spot My Mistake: Why friction does not depend on the area of contact
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WAEC Prep: The moment of a force about the foot of a pole
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WAEC Prep: The moment of a weight about a hinge
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Spot My Mistake: The moment of a force whose line of action is not perpendicular
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WAEC Prep: The total moment of two forces about the same point
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Quiz: The point about which the total moment of a set of forces vanishes
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WAEC Prep: Using concurrence to locate an unknown line of action
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Spot My Mistake: Finding two unknown tensions from three forces in equilibrium
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WAEC Prep: Lami's theorem derived from the triangle of forces
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WAEC Prep: The statement of Lami's theorem
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Learn: Finding two unknown forces by Lami's theorem
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Spot My Mistake: Why the probabilities in a distribution must sum to one
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WAEC Prep: The binomial expansion of a plus b all to the power n
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WAEC Prep: The probability of at most r successes
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WAEC Prep: The most likely number of successes in n trials
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Spot My Mistake: The probability of exactly r successes in n trials
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Practice: The probability of at least one success
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WAEC Prep: The probability of at least one event in a Poisson distribution
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WAEC Prep: A Poisson distribution taken over a different length of interval
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