866 prompts matching "proving a statement is a tautology"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
WAEC Prep: The number of elements in the union of two sets
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Show All Working: A three-set Venn diagram drawn from a subject survey
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Learn: Reading a binary operation defined by a formula such as a*b = a + b - ab
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WAEC Prep: Completing a Cayley table for an operation on a small set
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Show All Working: Solving an equation written in terms of a binary operation
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Learn: Simplifying a surd by extracting the largest perfect square
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WAEC Prep: Comparing the sizes of two surds without a calculator
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Show All Working: Expressing a number in the form a root b
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WAEC Prep: The change of base formula for logarithms
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Show All Working: Solving a logarithmic equation and rejecting the invalid root
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Learn: The sum and the product of the roots read from the coefficients
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WAEC Prep: Forming an equation whose roots are each two more than the original
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Show All Working: Solving a quadratic by completing the square
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Learn: Finding alpha squared plus beta squared from the sum and product
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WAEC Prep: Forming an equation whose roots are alpha over beta and beta over alpha
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Show All Working: Finding a coefficient given a stated relation between the roots
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Learn: The degree of a polynomial and its leading coefficient
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Learn: The sum of the roots of a cubic read from its coefficients
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WAEC Prep: Finding a coefficient of a cubic given one of its roots
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Show All Working: Three roots in arithmetic progression in a cubic
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