755 prompts matching "The inverse of a 2 by 2 matrix as one over the determinant times the adjoint"
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Learn: Why a surd is never left in the denominator
You are my personal SS1 Further Mathematics tutor. Teach me why a surd is never left in th
Show All Working: Checking a rationalised answer by decimal approximation
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Show All Working: A conjugate where the surd term comes first
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Spot My Mistake: A binary operation defined on a set of three elements
Act as my SS1 Further Mathematics tutor. Work a question on a binary operation defined on
Show All Working: Evaluating a repeated operation such as a*(b*c)
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Final Revision: Deciding whether a given rule really is a binary operation
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Spot My Mistake: Reading closure off an operation table
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Show All Working: Showing a set is not closed by a single counter-example
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Final Revision: Why closure is checked before any other property
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Quiz: Reading commutativity off a symmetrical operation table
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Show All Working: An operation that is associative but not commutative
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Final Revision: Why brackets matter when an operation is not associative
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Explain Back: Showing distributivity fails by a counter-example
I have just studied showing distributivity fails by a counter-example in my SS1 Further Ma
Explain Back: What an inverse element is
I have just studied what an inverse element is in my SS1 Further Mathematics class. Let me
Final Revision: Evaluating a numerical expression using the index laws
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Show All Working: Simplifying an expression that mixes the index types
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Final Revision: Converting an answer back out of index form
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Common Mistakes: An indicial equation solved by substitution
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Final Revision: Proving a logarithmic identity from the laws
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Show All Working: Comparing logarithms given in different bases
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on comparing logar