1,305 prompts matching "Testing an argument for validity by truth table"
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Worked Example: Collecting like surds in a single sum
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WAEC Prep: Comparing the sizes of two surds without a calculator
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Worked Example: Finding one over alpha plus one over beta
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Common Mistakes: Symmetric functions when the three roots of a cubic are involved
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Worked Example: The sum of the products of the roots of a cubic taken two at a time
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WAEC Prep: Finding a coefficient of a cubic given one of its roots
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Common Mistakes: Three roots in geometric progression in a cubic
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WAEC Prep: Writing a solution set in interval notation
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Common Mistakes: Selections in which at least one of a kind must appear
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Common Mistakes: Giving the general solution of a trigonometric equation
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WAEC Prep: A phase shift in y equals sin of x minus d
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Common Mistakes: Sketching two trigonometric curves on the same axes to find where they meet
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WAEC Prep: Proving two given lines parallel from their gradients
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Common Mistakes: Identifying a conic from a general second-degree equation
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Worked Example: Relative velocity when two bodies move along the same line
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WAEC Prep: The closest approach of two moving ships
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Common Mistakes: The relative displacement of two bodies after a given time
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Worked Example: The common acceleration of two connected particles
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Common Mistakes: What becomes of the tension when the string goes slack
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Worked Example: The normal reaction on a body resting on a smooth incline
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