1,329 prompts matching "IGCSE Additional Maths Y10: An exact answer left in surd form — Worked Example"
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Explain how to present working for full WAEC marks
I am in SS 3. Explain how to lay out my working clearly enough to earn full method marks i
Teach me how to find the writing the inverse of a two by two matrix with the adjugate
You are my SS3 Further Mathematics tutor. Teach me writing the inverse of a two by two mat
Learn: The union of two sets written in set-builder notation
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Worked Example: The intersection of two overlapping sets
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Practice: The difference of two sets, A minus B
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Explain Back: The symmetric difference of two sets
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Common Mistakes: Showing that intersection distributes over union
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Learn: Reading a binary operation defined by a formula such as a*b = a + b - ab
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Worked Example: Testing whether a binary operation is closed on a given set
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Practice: Testing a binary operation for associativity
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Explain Back: Finding the identity element of a binary operation
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Common Mistakes: A binary operation defined by arithmetic modulo n
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Learn: Simplifying a surd by extracting the largest perfect square
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Worked Example: Collecting like surds in a single sum
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Practice: Rationalising a denominator of the form root a
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Explain Back: Rationalising a denominator of the form a plus root b using the conjugate
I have just studied rationalising a denominator of the form a plus root b using the conjug
Final Revision: Proving that root 2 is irrational
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Final Revision: Sketching the graph of a logarithmic function
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Practice: The condition for a quadratic equation to have equal roots
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Common Mistakes: Proving that a quadratic expression is positive for every real x
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