662 prompts matching "A set closed under one operation but not another"
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Quiz: The probability of drawing two red balls
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Spot My Mistake: The probability that a committee contains a given person
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Show All Working: The complement rule used in a counting problem
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Common Mistakes: A probability found by counting arrangements
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Final Revision: A word problem about a lottery draw
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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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WAEC Prep: Expanding a bracket with a coefficient on x
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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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Final Revision: Expanding a bracket of the form a plus b over x
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Quiz: Finding the term in x cubed
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Spot My Mistake: The middle term when n is even
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WAEC Prep: The two middle terms when n is odd
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Show All Working: The general term when the bracket contains a fraction
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Final Revision: A question asking for two coefficients to be equal
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IGCSE Additional Maths Y11: The area of a sector as a half r squared theta — Explain It Back
I am in SS 2. I have just studied the area of a sector as a half r squared theta for Cambr
IGCSE Additional Maths Y11: Finding the angle at the centre from a given arc length — Spot My Mistake
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Work a question on fin
IGCSE Additional Maths Y11: Finding the radius from a given sector area — IGCSE Exam Practice
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Set me a past-paper-st
IGCSE Additional Maths Y11: The perimeter of a sector — Show All Working
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Set me a question on t