700 prompts matching "Show that a geometric series converges and find its sum to infinity"
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Spot My Mistake: Why root 8 and root 2 turn out to be similar
Act as my SS1 Further Mathematics tutor. Work a question on why root 8 and root 2 turn out
Worked Example: Adding two surds that simplify to the same root
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Final Revision: Simplifying a fraction whose numerator and denominator are both surds
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Worked Example: Rationalising a denominator that is a single surd
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Spot My Mistake: Rationalising and then cancelling a common factor
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Quiz: Left distributivity and right distributivity
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Explain Back: Showing distributivity fails by a counter-example
I have just studied showing distributivity fails by a counter-example in my SS1 Further Ma
Worked Example: Finding the identity element from a rule such as a*b = a + b - 3
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Final Revision: Identity and inverse together, and what they give the set
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Learn: Reading index notation, the base and the exponent
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Quiz: A negative index on a fraction, and turning it upside down
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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: Writing out the terms of a sequence from its nth term
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Final Revision: Describing a sequence in words and then in symbols
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Worked Example: Finding the common difference of an arithmetic progression
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Explain Back: Finding the first term from two given terms
I have just studied finding the first term from two given terms in my SS1 Further Mathemat
Worked Example: The alternative sum formula that uses the last term
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Explain Back: The sum of a geometric progression with a negative common ratio
I have just studied the sum of a geometric progression with a negative common ratio in my