524 prompts matching "Proving that root 2 is irrational"
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Practice: Multiplication distributing over addition in ordinary arithmetic
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Explain Back: Showing distributivity fails by a counter-example
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Spot My Mistake: Checking distributivity from two operation tables
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WAEC Prep: A rule where distributivity holds one way only
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Final Revision: Why distributivity links two operations rather than one
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Learn: What an identity element is
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Explain Back: What an inverse element is
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Practice: The law for a power raised to another power
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Explain Back: The law for a product raised to a power
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Spot My Mistake: The law for a quotient raised to a power
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Learn: Why any non-zero number to the power nought is one
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Practice: A fractional index with numerator one, read as a root
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Worked Example: Solving an indicial equation where one side must be factorised first
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Quiz: An indicial equation that becomes a quadratic in a power
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WAEC Prep: Why the logarithm of a negative number does not exist
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Final Revision: The characteristic and the mantissa of a logarithm
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Worked Example: Converting a logarithm to base ten so that tables can be used
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Learn: What a sequence is, and what a term means
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Worked Example: The alternative sum formula that uses the last term
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Practice: Finding n when the sum of an arithmetic progression is given
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