755 prompts matching "The conjugate of a purely imaginary number"
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WAEC Prep: Pi and root 2 as the two best-known irrational numbers
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Common Mistakes: Expanding the product of two surd brackets
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Quiz: Rationalising a denominator of the form one over root 3
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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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Worked Example: Why multiplying by the conjugate clears the surd
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Quiz: Rationalising a denominator of the form one over 2 plus root 3
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Practice: Rationalising a denominator of the form a plus root b over c minus root d
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Spot My Mistake: Simplifying the denominator once the conjugate has been used
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Common Mistakes: Rationalising when both terms of the denominator are surds
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WAEC Prep: Equating the rational and the irrational parts of an equation
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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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Common Mistakes: Subtraction as an example of neither law
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Spot My Mistake: Finding the inverse of a given element
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WAEC Prep: The inverse of the identity element itself
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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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Learn: The definition of a logarithm as the index
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Explain Back: The logarithm of one, in any base
I have just studied the logarithm of one, in any base in my SS1 Further Mathematics class.