1,043 prompts matching "Learn: The parabola y squared equals 4ax, with its focus and directrix"
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Explain Back: The inverse of a conditional
I have just studied the inverse of a conditional in my SS2 Further Mathematics class. Let
Common Mistakes: Writing the converse, inverse and contrapositive of one statement
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Worked Example: The truth table for the biconditional
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Show All Working: The distributive laws in logic
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Common Mistakes: Simplifying a compound statement using the laws
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Show All Working: The negation of a tautology
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Explain Back: The rule of syllogism
I have just studied the rule of syllogism in my SS2 Further Mathematics class. Let me expl
Show All Working: The fallacy of affirming the consequent
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Common Mistakes: The fallacy of denying the antecedent
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Explain Back: Arrangements restricted at the first letter
I have just studied arrangements restricted at the first letter in my SS2 Further Mathemat
Worked Example: The number of ways n people sit round a round table
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Worked Example: Selections in which the order does not matter
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Common Mistakes: The number of ways of dividing a class into groups
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Practice: The probability of drawing one ball of each colour
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Show All Working: The complement rule used in a counting problem
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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
Show All Working: The binomial coefficients written as n choose r
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Common Mistakes: The link between Pascal's triangle and combinations
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