755 prompts matching "IGCSE Additional Maths Y11: When cot x is nought, and when it is undefined — Exa"
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Quiz: Solving modulus of x less than a
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WAEC Prep: Shading the region defined by a linear inequality
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Explain Back: Where the surds sit on the number line
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Worked Example: What makes two surds equal
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Practice: Collecting similar surds in an expression
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Explain Back: Why 2 root 3 and 5 root 3 count as similar surds
I have just studied why 2 root 3 and 5 root 3 count as similar surds in my SS1 Further Mat
Worked Example: Adding two surds that simplify to the same root
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Practice: Multiplying a whole number by a surd
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Explain Back: Multiplying root a by root b
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Worked Example: Why multiplying by the conjugate clears the surd
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Explain Back: The difference of two squares applied to surd conjugates
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Practice: Solving an equation with a surd on each side
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Worked Example: Reading the symbol used for a binary operation
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Practice: A binary operation set out as a table
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Explain Back: A binary operation defined on the integers
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Worked Example: Testing the even numbers for closure under addition
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Practice: Testing a set for closure under multiplication
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Worked Example: Testing a*b against b*a for a given rule
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Explain Back: What it means for an operation to be associative
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Worked Example: Finding the identity element from a rule such as a*b = a + b - 3
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