1,045 prompts matching "Quiz: Checking an inverse by multiplying to get the identity"
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Common Mistakes: Arranging objects when some must stay in a fixed order
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Final Revision: Counting the arrangements of people in a queue
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Explain Back: Circular arrangements with two people kept apart
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Spot My Mistake: Arrangements round a table with men and women alternating
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Show All Working: A circular arrangement with one fixed seat such as the head
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Common Mistakes: Comparing a line arrangement with a circular one
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Show All Working: Selecting a committee with the chairman named separately
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Common Mistakes: The number of ways of dividing a class into groups
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Learn: Probability as favourable outcomes over total outcomes
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Worked Example: Counting the total outcomes with combinations
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Explain Back: Probability with replacement and without replacement
I have just studied probability with replacement and without replacement in my SS2 Further
Worked Example: Reading the coefficients of an expansion off Pascal's triangle
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Practice: The symmetry of a row of Pascal's triangle
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Explain Back: The sum of the entries in a row of Pascal's triangle
I have just studied the sum of the entries in a row of Pascal's triangle in my SS2 Further
Spot My Mistake: Expanding a bracket with a minus sign inside it
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Common Mistakes: The link between Pascal's triangle and combinations
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Final Revision: Expanding a bracket of the form a plus b over x
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Learn: The formula for the general term of an expansion
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Worked Example: Finding the fifth term of an expansion
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Final Revision: A question asking for two coefficients to be equal
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