823 prompts matching "Showing a set is not closed by a single counter-example"
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IGCSE Additional Maths Y11: An equation solved by the substitution t equals tan x — IGCSE Exam Practice
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Set me a past-paper-st
IGCSE Additional Maths Y11: Checking that the solutions lie in the stated range — Common Mistakes
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y11: The graph of y equals sec x on its own — Common Mistakes
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y11: Telling nPr from nCr in the wording of a question — Common Mistakes
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y11: Equating coefficients to find an unknown constant — Common Mistakes
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y11: The components of a displacement vector — Worked Example
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Take me through one co
IGCSE Additional Maths Y11: Multiplying a vector by a scalar — Quiz Me
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Quiz me with five shor
IGCSE Additional Maths Y11: Writing a vector in terms of two base vectors — Common Mistakes
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IGCSE Additional Maths Y11: A bearing written as a vector direction — Common Mistakes
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IGCSE Additional Maths Y11: Differentiating a product in the Cambridge style — Common Mistakes
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IGCSE Additional Maths Y11: A normal that meets the curve a second time — Common Mistakes
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y11: A point of inflexion, where the second derivative is nought — IGCSE Exam Practice
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Set me a past-paper-st
IGCSE Additional Maths Y11: Sketching a curve from its stationary points — Common Mistakes
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y11: Eliminating one variable by using the constraint — Worked Example
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Take me through one co
IGCSE Additional Maths Y11: Checking that the turning point is the one wanted — 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 greatest profit in a revenue problem — Common Mistakes
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y11: An approximate percentage change — Common Mistakes
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y11: A tangent to a curve involving e to the power x — Common Mistakes
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y11: Differentiating with the angle measured in radians — Common Mistakes
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
IGCSE Additional Maths Y11: Finding a curve from its gradient function and one point — Common Mistakes
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca