755 prompts matching "Deciding whether a set under an operation forms a group"
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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
WAEC Prep: Squaring a single surd
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Show All Working: Simplifying a surd expression that contains brackets
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Worked Example: Rationalising a denominator that is a single surd
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WAEC Prep: Rationalising a denominator inside a larger expression
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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
I have just studied the difference of two squares applied to surd conjugates in my SS1 Fur
Spot My Mistake: Simplifying the denominator once the conjugate has been used
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Show All Working: A conjugate where the surd term comes first
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Common Mistakes: Rationalising when both terms of the denominator are surds
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Worked Example: Squaring both sides safely when solving a surd equation
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Spot My Mistake: Solving a surd equation that leads to a quadratic
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Common Mistakes: A surd equation that has no real solution
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Worked Example: Testing a*b against b*a for a given rule
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Spot My Mistake: Testing (a*b)*c against a*(b*c)
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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
WAEC Prep: A rule where distributivity holds one way only
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Worked Example: Finding the identity element from a rule such as a*b = a + b - 3
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Spot My Mistake: Finding the inverse of a given element
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WAEC Prep: The inverse of the identity element itself
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