1,037 prompts matching "IGCSE Additional Maths Y10: How accurate a graphical solution really is — Common"
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Teach me the dot product of two vectors
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Worked example: finding the angle between two vectors
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Explain vectors back to me
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WAEC question on vectors
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Teach me mean, variance and standard deviation
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Worked example: standard deviation of a small data set
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Teach me measures of dispersion for grouped data
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Explain standard deviation back to me
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WAEC question on measures of dispersion
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Simplify the surd expression sqrt(72) + sqrt(18)
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Simplify the surd expression sqrt(50) - sqrt(8)
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Simplify the surd expression (3+sqrt2)(3-sqrt2)
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Simplify the surd expression 5/(1+sqrt3)
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Simplify the surd expression (2+sqrt5)^2
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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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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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Worked example: differentiate y = 3x^4 - 2x^3 + x - 7
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