274 prompts matching "Logical reasoning puzzle solved using sets"
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Worked Example: Evaluating a 3 by 3 determinant by the rule of Sarrus
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Worked Example: Forming the determinant Dy by replacing the second column
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Worked Example: The identity that A times its adjoint gives the determinant times the identity
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Worked Example: Checking the solution of three equations by substitution
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Worked Example: The units of mass, and the SI unit
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Worked Example: The weight of a body as mass times g
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Worked Example: The direction of the resultant of two forces
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Worked Example: Marking the weight, the normal reaction and the friction on a diagram
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Worked Example: Drawing the polygon of forces to scale
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Worked Example: The moment of a force about a point on its own line of action
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Worked Example: The total moment of three parallel forces about one end
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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 a value from a given probability by working backwards
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Worked Example: The continuity correction when approximating a discrete distribution
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Worked Example: The distance between two points in three dimensions
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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: The triangle law of vector addition
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