1,033 prompts matching "Converting an answer back out of index form"
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Explain Back: Showing that a statement is a contradiction
I have just studied showing that a statement is a contradiction in my SS2 Further Mathemat
Common Mistakes: Deciding between tautology, contradiction and contingency
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Learn: What makes an argument valid
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Final Revision: An argument written in words and tested for validity
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Learn: Arranging five different books on a shelf
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Spot My Mistake: Arrangements with two particular items adjacent
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Common Mistakes: Arranging objects when some must stay in a fixed order
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Worked Example: The number of ways n people sit round a round table
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Quiz: Why one person is fixed in a circular arrangement
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Spot My Mistake: Arrangements round a table with men and women alternating
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Common Mistakes: Comparing a line arrangement with a circular one
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Learn: Selecting a team of five from a squad
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Explain Back: A selection that must exclude one particular member
I have just studied a selection that must exclude one particular member in my SS2 Further
Common Mistakes: The number of ways of dividing a class into groups
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Worked Example: Counting the total outcomes with combinations
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Practice: The probability of drawing one ball of each colour
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Common Mistakes: A probability found by counting arrangements
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Learn: Building Pascal's triangle row by row
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Quiz: Expanding a bracket to the power four using Pascal's triangle
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Spot My Mistake: Expanding a bracket with a minus sign inside it
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