755 prompts matching "Spot my mistake dividing two complex numbers in modulus-argument form"
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Show All Working: Classifying a mixed list of numbers as rational or irrational
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Quiz: Reducing two surds to the same root in order to compare them
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Show All Working: Deciding whether two given surds are equal without a calculator
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Worked Example: Adding two surds that simplify to the same root
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Practice: Multiplying a whole number by a surd
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Practice: Rationalising a denominator with a whole number multiplying the surd
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Common Mistakes: Rationalising a denominator of the form root a over root b
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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
Common Mistakes: Rationalising when both terms of the denominator are surds
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Common Mistakes: A binary operation that is ordinary addition in disguise
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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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Final Revision: Why distributivity links two operations rather than one
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Common Mistakes: Checking an inverse by working the operation both ways
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Quiz: The law for dividing powers of the same base
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WAEC Prep: Applying two index laws inside one expression
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Common Mistakes: Why the index laws need the bases to match
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WAEC Prep: Evaluating 8 to the power two-thirds
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Common Mistakes: Writing a root as a fractional index before simplifying
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