755 prompts matching "Assuming AB and BA give the same matrix"
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Spot My Mistake: Why root 8 and root 2 turn out to be similar
Act as my SS1 Further Mathematics tutor. Work a question on why root 8 and root 2 turn out
Quiz: Subtracting one surd from another
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Explain Back: Multiplying root a by root b
I have just studied multiplying root a by root b in my SS1 Further Mathematics class. Let
Spot My Mistake: Dividing one surd by another
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Learn: Why a surd is never left in the denominator
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Quiz: Rationalising a denominator of the form one over root 3
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Common Mistakes: Rationalising a denominator of the form root a over root b
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Learn: The conjugate of a compound surd expression
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Quiz: Rationalising a denominator of the form one over 2 plus root 3
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Spot My Mistake: Simplifying the denominator once the conjugate has been used
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Show All Working: A conjugate where the surd term comes first
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Common Mistakes: Rationalising when both terms of the denominator are surds
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Quiz: Testing the odd numbers for closure under addition
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Worked Example: Testing a*b against b*a for a given rule
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Explain Back: What it means for an operation to be associative
I have just studied what it means for an operation to be associative in my SS1 Further Mat
Common Mistakes: Subtraction as an example of neither law
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Learn: What it means for one operation to distribute over another
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Quiz: Left distributivity and right distributivity
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Explain Back: Showing distributivity fails by a counter-example
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Explain Back: What an inverse element is
I have just studied what an inverse element is in my SS1 Further Mathematics class. Let me