273 prompts matching "Dividing by a purely imaginary number"
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Explain Back: Where the surds sit on the number line
I have just studied where the surds sit on the number line in my SS1 Further Mathematics c
Spot My Mistake: The decimal expansion of an irrational number, and why it never repeats
Act as my SS1 Further Mathematics tutor. Work a question on the decimal expansion of an ir
WAEC Prep: Pi and root 2 as the two best-known irrational numbers
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Common Mistakes: Why a rational number added to an irrational one stays irrational
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WAEC Prep: Ordering a list of surds by size
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Explain Back: Multiplying root a by root b
I have just studied multiplying root a by root b in my SS1 Further Mathematics class. Let
Practice: Rationalising a denominator with a whole number multiplying the surd
Act as my SS1 Further Mathematics tutor. Give me five practice questions on rationalising
Show All Working: Checking a rationalised answer by decimal approximation
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on checking a rati
Worked Example: Why multiplying by the conjugate clears the surd
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Final Revision: Checking a conjugate answer by multiplying back
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Worked Example: Testing the even numbers for closure under addition
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Quiz: Testing the odd numbers for closure under addition
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Show All Working: Showing a set is not closed by a single counter-example
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Explain Back: Showing distributivity fails by a counter-example
I have just studied showing distributivity fails by a counter-example in my SS1 Further Ma
Common Mistakes: Checking an inverse by working the operation both ways
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Quiz: The law for dividing powers of the same base
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Learn: Why any non-zero number to the power nought is one
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Learn: Solving an equation by writing both sides to the same base
You are my personal SS1 Further Mathematics tutor. Teach me solving an equation by writing
Common Mistakes: An indicial equation solved by substitution
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Final Revision: Checking an indicial solution by substitution
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