1,334 prompts matching "Explain permutations and combinations back to me"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Show All Working: Finding a coefficient given a stated relation between the roots
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WAEC Prep: Finding a coefficient of a cubic given one of its roots
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WAEC Prep: Writing a solution set in interval notation
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Show All Working: Solving a pair of simultaneous linear inequalities
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Common Mistakes: The range of values of x for which an expression stays positive
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Common Mistakes: Selections in which at least one of a kind must appear
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WAEC Prep: The three forms of the double angle formula for cosine
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Common Mistakes: Expressing a cos x plus b sin x in the form R cos of x minus alpha
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WAEC Prep: Solving an equation by first applying a double angle formula
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WAEC Prep: A phase shift in y equals sin of x minus d
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WAEC Prep: Proving two given lines parallel from their gradients
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Show All Working: Proving two given lines perpendicular from their gradients
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Common Mistakes: The angle between two lines found from their gradients
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WAEC Prep: The length of the tangent from an external point
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Show All Working: The rectangular hyperbola xy equals c squared
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Common Mistakes: Identifying a conic from a general second-degree equation
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Common Mistakes: The coefficient of variation, for comparing two sets
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Show All Working: Replacing two parallel forces by a single resultant
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Common Mistakes: The centre of gravity of a uniform lamina
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WAEC Prep: The closest approach of two moving ships
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