1,043 prompts matching "Converting a complex number from polar form into the form a plus bi using tables"
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Final Revision: Checking a factorisation by expanding it again
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Worked Example: How many roots a cubic equation has
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Explain Back: A cubic with a repeated root
I have just studied a cubic with a repeated root in my SS2 Further Mathematics class. Let
Show All Working: Solving a cubic that must first be rearranged
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Final Revision: Checking a root of a cubic by substitution
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Worked Example: Sentences that are not propositions
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Worked Example: Conjunction in a three-variable truth table
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Spot My Mistake: Building a truth table column by column
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WAEC Prep: A truth table with three propositions in it
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WAEC Prep: Why a conditional and its contrapositive are equivalent
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Show All Working: Why a conditional and its converse are not equivalent
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Final Revision: A conditional statement set in an everyday situation
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Explain Back: Showing two statements equivalent by truth table
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Spot My Mistake: De Morgan's laws in logic
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Worked Example: What a contradiction is
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Explain Back: Showing that a statement is a contradiction
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WAEC Prep: A tautology used to justify a rule of algebra
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Common Mistakes: Deciding between tautology, contradiction and contingency
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Final Revision: A longer statement tested for tautology
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Worked Example: Premises and conclusion
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