748 prompts matching "Learn: What an unclosed polygon of forces tells you"
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Worked Example: What makes two surds equal
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Spot My Mistake: Why root 8 and root 2 turn out to be similar
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WAEC Prep: Ordering a list of surds by size
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Final Revision: Surds that cannot be combined at all
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Spot My Mistake: Dividing one surd by another
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Final Revision: Simplifying a fraction whose numerator and denominator are both surds
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Quiz: Rationalising a denominator of the form one over root 3
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Spot My Mistake: Rationalising and then cancelling a common factor
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Show All Working: Checking a rationalised answer by decimal approximation
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Common Mistakes: Rationalising a denominator of the form root a over root b
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Final Revision: Expressing a rationalised answer in the form a root b over c
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Quiz: Rationalising a denominator of the form one over 2 plus root 3
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Practice: Rationalising a denominator of the form a plus root b over c minus root d
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Common Mistakes: Rationalising when both terms of the denominator are surds
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Final Revision: Checking a conjugate answer by multiplying back
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Show All Working: Finding a and b when a plus b root 2 equals a given surd
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Final Revision: A word problem that leads to an equation in surd form
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Common Mistakes: Closure on a set of three elements under a stated rule
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Final Revision: Why closure is checked before any other property
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