132 prompts matching "Explain-back: complex conjugates"
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Solving simultaneous linear equations by substitution
I am in SS 1. I'm going to explain solving a pair of simultaneous linear equations by the
Solving a word problem using simultaneous equations
I am in SS 1. I'm going to explain a word problem that must be solved by setting up and so
Quiz me rapid-fire on expanding and factorising
I am in SS 1. I'm going to explain a rapid-fire quiz alternating between expanding a brack
Evaluating (1/2)^-3 without a calculator
I am in SS 1. I attempted an Additional Maths question on evaluating (1/2)^-3 fully withou
Distinguishing rational and irrational numbers
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Reviewing every surd rule before a test
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a st
Surds and indices together in one question
I am in SS 1. Teach me a question that requires converting a surd to index form, simplifyi
Subsets of a given set
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Worked Example: Why the square root of a non-square whole number is irrational
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Worked Example: What makes two surds equal
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Worked Example: Adding two surds that simplify to the same root
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Worked Example: Rationalising a denominator that is a single surd
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Worked Example: Squaring both sides safely when solving a surd equation
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Worked Example: Reading the symbol used for a binary operation
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Worked Example: Testing the even numbers for closure under addition
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Worked Example: Testing a*b against b*a for a given rule
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Worked Example: Testing whether star distributes over plus
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Worked Example: Finding the identity element from a rule such as a*b = a + b - 3
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Worked Example: The law for multiplying powers of the same base
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Worked Example: Rewriting a negative index as a fraction
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