755 prompts matching "Showing a triangle is right-angled using the dot product"
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Worked Example: Adding two surds that simplify to the same root
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Quiz: Subtracting one surd from another
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Final Revision: Simplifying a fraction whose numerator and denominator are both surds
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Worked Example: Why multiplying by the conjugate clears the surd
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Explain Back: The difference of two squares applied to surd conjugates
I have just studied the difference of two squares applied to surd conjugates in my SS1 Fur
Final Revision: Checking a conjugate answer by multiplying back
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Spot My Mistake: Solving a surd equation that leads to a quadratic
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Final Revision: A word problem that leads to an equation in surd form
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Worked Example: Reading the symbol used for a binary operation
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Explain Back: A binary operation defined on the integers
I have just studied a binary operation defined on the integers in my SS1 Further Mathemati
Spot My Mistake: A binary operation defined on a set of three elements
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Worked Example: Testing the even numbers for closure under addition
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Quiz: Testing the odd numbers for closure under addition
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Spot My Mistake: Reading closure off an operation table
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Spot My Mistake: Testing (a*b)*c against a*(b*c)
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Worked Example: Finding the identity element from a rule such as a*b = a + b - 3
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Quiz: Finding the identity element from an operation table
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Worked Example: The law for multiplying powers of the same base
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Quiz: The law for dividing powers of the same base
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Spot My Mistake: A negative fractional index
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