755 prompts matching "One root twice the other, and what that gives"
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Simplifying indices before adding like terms
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Index expression with three unknown letters
I am in SS 1. I'm going to explain simplifying an expression with three letters and mixed
Explaining why we rationalise denominators
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Simplifying a surd expression before squaring
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Complement of a set within a universal set
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Drawing a two-set Venn diagram from data
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Three-set Venn diagram word problem
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Finding a missing intersection from set sizes
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Set-builder notation basics
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Subsets of a given set
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Proper subsets versus subsets
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Working backwards from Venn diagram totals
I am in SS 1. I'm going to explain a Venn diagram question where I am given some regions a
Equal sets versus equivalent sets
I am in SS 1. I attempted an Additional Maths question on the difference between two sets
Number of elements in a set from a Venn diagram region count
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Power set of a three-element set
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Distributive law for sets
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Set problem leading to a linear equation
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Geometric mean between two numbers
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Sigma notation for a sum
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Recurring decimals as an infinite geometric series
I am in SS 1. I'm going to explain how a recurring decimal, such as 0.777..., can be writt