658 prompts matching "Explain why a complex number times its conjugate is real"
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Quiz: Writing a logarithm as an index statement
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Show All Working: The common logarithm, to base ten
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Learn: The law for the logarithm of a product
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Worked Example: The law for the logarithm of a quotient
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Quiz: The law for the logarithm of a power
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Show All Working: Solving a simple logarithmic equation
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Learn: The change of base formula
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Worked Example: Converting a logarithm to base ten so that tables can be used
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Quiz: Evaluating log to base 3 of 7 by change of base
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Show All Working: Comparing logarithms given in different bases
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Quiz: Finding the nth term of a linear sequence
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Learn: What makes a sequence an arithmetic progression
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Worked Example: Finding the common difference of an arithmetic progression
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Quiz: The formula for the nth term of an arithmetic progression
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Learn: The formula for the sum of the first n terms of an arithmetic progression
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Worked Example: The alternative sum formula that uses the last term
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Show All Working: The sum of the terms lying between two given positions
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Learn: What makes a sequence a geometric progression
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Worked Example: Finding the common ratio of a geometric progression
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Quiz: The formula for the nth term of a geometric progression
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