1,231 prompts matching "Simplifying expressions with like and unlike terms"
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WAEC Prep: The standard deviation of grouped data using an assumed mean
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Learn: The moment of a force about a point, and its units
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WAEC Prep: A couple, and why its moment is the same about every point
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Final Revision: A ladder leaning against a wall, and the moments acting on it
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Spot My Mistake: An aeroplane in a cross-wind, and its resultant track
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WAEC Prep: A car towing a trailer, and the force in the tow bar
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Learn: Resolving the weight along and perpendicular to an inclined plane
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WAEC Prep: Limiting equilibrium, with a body on the point of sliding
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Learn: Angular velocity, and how it relates to linear speed
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Quiz: The centripetal force, and what supplies it in a given situation
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Final Revision: The period and the frequency of circular motion
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Learn: Hooke's law, and what the modulus of elasticity means
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Spot my mistake: Assuming AB and BA give the same matrix
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Spot my mistake: Negating the leading diagonal and swapping the other two entries when inverting a 2 by 2 matrix
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Spot my mistake: Treating the kilogram and the kilogram weight as the same unit
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Spot my mistake: Assuming moments may only be taken about the pivot and never about another point
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Spot my mistake: Treating the variance of a binomial distribution as its standard deviation
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Spot my mistake: Treating any vector with small components as a unit vector
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Spot my mistake: Assuming a quadratic with a negative discriminant has no roots at all
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Spot my mistake: Treating the action and the reaction of Newton's third law as forces acting on the same body
Act as my SS3 Further Mathematics tutor. Write a short answer on treating the action and t