1,045 prompts matching "The sum of an arithmetic progression with a negative common difference"
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Show All Working: What the factor theorem says about the roots
Act as my Further Mathematics examiner. I am in SS 2. Set me a question on what the factor
Common Mistakes: Using the factor theorem before dividing
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Common Mistakes: Factorising fully, and knowing when to stop
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Quiz: A cubic with three distinct real roots
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Spot My Mistake: Finding the remaining roots once one is known
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Show All Working: Solving a cubic that must first be rearranged
Act as my Further Mathematics examiner. I am in SS 2. Set me a question on solving a cubic
Show All Working: Translating an English sentence into logical symbols
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Common Mistakes: Translating a symbolic statement back into English
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Practice: Negation combined with a compound statement
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WAEC Prep: A truth table with three propositions in it
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Common Mistakes: Comparing two statements by their truth tables
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WAEC Prep: Why a conditional and its contrapositive are equivalent
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Show All Working: Why a conditional and its converse are not equivalent
Act as my Further Mathematics examiner. I am in SS 2. Set me a question on why a condition
Quiz: The biconditional as two conditionals taken together
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Spot My Mistake: De Morgan's laws in logic
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WAEC Prep: The double negation law
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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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Common Mistakes: Deciding between tautology, contradiction and contingency
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WAEC Prep: Testing an argument for validity by truth table
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