755 prompts matching "The work done in stretching an elastic string"
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Worked Example: Why multiplying by the conjugate clears the surd
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Show All Working: A conjugate where the surd term comes first
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Show All Working: Finding a and b when a plus b root 2 equals a given surd
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Worked Example: Reading the symbol used for a binary operation
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Worked Example: Testing the even numbers for closure under addition
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Show All Working: An operation that is associative but not commutative
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Worked Example: Testing whether star distributes over plus
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Show All Working: Using distributivity to simplify an expression
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Worked Example: Finding the identity element from a rule such as a*b = a + b - 3
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Show All Working: An element with no inverse under a given operation
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Worked Example: The law for multiplying powers of the same base
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Show All Working: Simplifying an expression with letters and indices
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Worked Example: Solving an indicial equation where one side must be factorised first
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Show All Working: A word problem that leads to an indicial equation
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Worked Example: Writing an index statement as a logarithm
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Show All Working: The common logarithm, to base ten
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Spot My Mistake: Evaluating an expression using the laws of logarithms
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Worked Example: Converting a logarithm to base ten so that tables can be used
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Worked Example: Writing out the terms of a sequence from its nth term
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Show All Working: Deciding whether a given number is a term of a sequence
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