1,045 prompts matching "The alternative sum formula that uses the last term"
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Worked example: an AP with first term 5 and common difference 3, find the 20th term and the sum of the first 20 terms
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Worked example: a GP with first term 4 and common ratio 2, find the 8th term and the sum of the first 8 terms
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Worked example: a GP with first term 100 and common ratio 0.5, find the sum to infinity
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Final Revision: A word problem that uses the remainder theorem
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Teach me how to the general term formula of a binomial expansion
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Learn: The formula for the general term of an expansion
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IGCSE Additional Maths Y11: The integral of a sum of terms — Worked Example
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Take me through one co
Summarise polynomials and the remainder/factor theorems for quick revision
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Summarise the binomial theorem for quick revision
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Teach me the binomial expansion formula
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Worked example: expanding (2x-3)^5 using the binomial formula
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Give me memory tricks for Further Maths formulas
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Worked example: an AP where the 4th term is 15 and the 9th term is 35, find the first term and common difference
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Worked example: a GP where the 2nd term is 6 and the 5th term is 162, find the first term and common ratio
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Real-life application of the quadratic formula
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WAEC Prep: What the formula gives when the discriminant is negative
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Show All Working: Choosing between factorising and the formula
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Common Mistakes: A sign error in the formula, and how to catch it
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Final Revision: A word problem solved with the quadratic formula
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WAEC Prep: Checking the sum and product against the solved roots
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