1,045 prompts matching "Find the range of x for which y = x^3 - 3x is increasing"
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Quiz: A cubic with three distinct real roots
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Common Mistakes: A cubic equation arising from a volume problem
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Common Mistakes: Translating a symbolic statement back into English
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Worked Example: What a contradiction is
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Quiz: What a contingency is
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WAEC Prep: A tautology used to justify a rule of algebra
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Common Mistakes: Deciding between tautology, contradiction and contingency
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Worked Example: Premises and conclusion
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Spot My Mistake: Disjunctive syllogism
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WAEC Prep: Testing an argument for validity by truth table
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Worked Example: Arranging r of n objects in a line
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WAEC Prep: Arrangements with two particular items not adjacent
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Common Mistakes: Arranging objects when some must stay in a fixed order
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WAEC Prep: A selection with at most a stated number of one kind
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IGCSE Additional Maths Y11: The area common to two overlapping circles — Show All Working
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IGCSE Additional Maths Y11: A composite region built from a rectangle and a sector — Common Mistakes
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IGCSE Additional Maths Y11: An equation that factorises into two ratios — Spot My Mistake
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IGCSE Additional Maths Y11: Permutations where one item is fixed in place — Show All Working
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IGCSE Additional Maths Y11: Permutations counted by choosing first and arranging after — Common Mistakes
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IGCSE Additional Maths Y11: The greatest coefficient in an expansion — Show All Working
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