1,326 prompts matching "Rationalising the denominator when it's a surd minus a surd"
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Spot My Mistake: The foci of an ellipse
Act as my SS3 Further Mathematics tutor. Work a question on the foci of an ellipse with on
Quiz: The semi-interquartile range
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Spot My Mistake: The standard deviation of an ungrouped set of data
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Quiz: The principle of moments for a body in equilibrium
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Spot My Mistake: An aeroplane in a cross-wind, and its resultant track
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Quiz: The tension in the string joining two connected particles
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Spot My Mistake: Two particles on a pulley at the top of an inclined plane
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Quiz: The acceleration of a body sliding down a smooth incline
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Spot My Mistake: The least force needed to move a body up a rough incline
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Spot My Mistake: A body on the end of a string moving in a horizontal circle
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Spot My Mistake: The time taken to move between two points in simple harmonic motion
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Quiz: The extension of a spring under a given load
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Spot my mistake: Assuming AB and BA give the same matrix
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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 rth term of a binomial expansion as the one carrying the rth power
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Spot my mistake: Assuming multiplying a vector by a negative scalar leaves its magnitude negative
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Spot my mistake: Treating any vector with small components as a unit vector
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Spot my mistake: Treating the dot product of two vectors as another 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: Applying the power rule to the integral of one over x
Act as my SS3 Further Mathematics tutor. Write a short answer on applying the power rule t