1,333 prompts matching "Arranging r of n objects in a line"
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Worked Example: What a determinant of nought means for a 2 by 2 matrix
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Worked Example: Evaluating a 3 by 3 determinant by the rule of Sarrus
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Worked Example: Checking the solution of three equations by substitution
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Worked Example: Using the sine rule on the triangle of forces
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Worked Example: Drawing the polygon of forces to scale
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Worked Example: Matching each force to the sine of the angle opposite it
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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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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: Classifying a stationary point by the sign of the gradient either side
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Worked Example: Power as the rate of doing work
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Worked Example: The intersection of two overlapping sets
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Show All Working: Solving an equation written in terms of a binary operation
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Worked Example: The discriminant, and what each of its three cases means
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Quiz: The number of arrangements of r objects chosen from n
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Practice: Arrangements when some of the objects are identical
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WAEC Prep: Circular permutations of n objects round a table
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Show All Working: Arrangements of the letters of a given word
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Show All Working: Counting the handshakes, or the lines joining n points
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