1,044 prompts matching "Proving the sum formula by pairing the terms"
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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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Teach me how to the general term formula of a binomial expansion
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Teach me finding the determinant of a two by two matrix
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Learn: Deriving the quadratic formula by completing the square
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Learn: The formula for the general term of an expansion
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IGCSE Additional Maths Y11: Proving an identity by working from the harder side — Explain It Back
I am in SS 2. I have just studied proving an identity by working from the harder side for
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
Derive the quadratic formula
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Use the quadratic formula on 2x^2 - 3x - 5 = 0
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Use the quadratic formula on x^2 + 4x - 7 = 0
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Use the quadratic formula on 3x^2 + 5x + 1 = 0
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Use the quadratic formula on x^2 - 2x - 2 = 0
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Use the quadratic formula on 4x^2 - 4x - 3 = 0
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Use the quadratic formula on x^2 + x - 1 = 0
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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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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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