745 prompts matching "When Lami's theorem may be used, and when it may not"
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Worked Example: Squaring both sides safely when solving a surd equation
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Worked Example: Reading the symbol used for a binary operation
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Explain Back: Showing distributivity fails by a counter-example
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Worked Example: Finding the identity element from a rule such as a*b = a + b - 3
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Worked Example: Rewriting a negative index as a fraction
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Explain Back: A fractional index with a numerator above one
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Worked Example: Solving an indicial equation where one side must be factorised first
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Explain Back: An indicial equation with the unknown in the exponent on both sides
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Worked Example: Writing an index statement as a logarithm
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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.
Worked Example: The law for the logarithm of a quotient
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Explain Back: Splitting a single logarithm into several
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Explain Back: A logarithmic equation written in two different bases
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Worked Example: Writing out the terms of a sequence from its nth term
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Worked Example: Finding the common difference of an arithmetic progression
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Worked Example: Which form of the sum formula to use when r is less than one
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Explain Back: The sum of a geometric progression with a negative common ratio
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Worked Example: Adding or subtracting the same number on both sides
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Explain Back: Solving a linear inequality that contains brackets
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Worked Example: The critical values of a quadratic inequality
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