1,224 prompts matching "Rationalising a denominator with a surd and integer"
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Practice: The parallelogram law of forces
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Practice: Choosing the most convenient pair of directions to resolve along
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Practice: The direction of the resultant of several coplanar forces
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Practice: Why the forces must sum to nought in two perpendicular directions
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Practice: Finding an unknown force from a closed polygon
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Practice: Resolving three forces in two perpendicular directions
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Practice: Using a binomial expansion to approximate a number
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Practice: The probability of at least one success
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Practice: The probability of exactly r events in a Poisson distribution
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Practice: The variance of a binomial distribution as npq
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Practice: Using the normal tables when the z-score is negative
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Practice: The magnitude of the sum of two vectors
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Practice: A vector of stated magnitude in a given direction
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Practice: The dot product as the magnitudes times the cosine of the angle
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Practice: Deciding whether a point lies on a given line
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Practice: The argument of a complex number in the second or third quadrant
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Practice: Converting a complex number from polar form back to a plus bi
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Practice: Why complex roots of a real quadratic come in conjugate pairs
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Practice: Differentiating x squared from first principles
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Practice: A body thrown vertically upwards
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