755 prompts matching "A knot held in equilibrium by three strings"
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Simplifying before substituting a value
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Indices in a WAEC-style savings context question
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Solving an equation with a fractional exponent on x
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Evaluating (1/2)^-3 without a calculator
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Index law shortcuts for mental exam questions
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Explaining why a^1/n means the nth root of a
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Combining index and surd notation
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Reviewing all the laws of indices before a test
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Adding and subtracting like surds
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Adding surds that need simplifying first
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Expanding brackets containing surds
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Expanding a binomial surd bracket
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Surds arising from Pythagoras' theorem
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Surd answers in area and perimeter questions
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Comparing the size of two surds
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Surds combined with algebraic terms
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Proving a surd statement is true or false
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Solving a surd equation that gives an extraneous root
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Surds in trigonometric exact values
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Simplifying nested surds
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