1,270 prompts matching "Arrangements of boys and girls alternately"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Common Mistakes: Proving that a quadratic expression is positive for every real x
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Final Revision: Solving a disguised quadratic by substitution
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Show All Working: Finding a coefficient given a stated relation between the roots
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Final Revision: Checking a symmetric-function answer by solving the equation outright
Act as my WAEC Further Mathematics coach in the last week before the paper. I am in SS 3.
Show All Working: Solving a cubic equation by factorisation
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Show All Working: Three roots in arithmetic progression in a cubic
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Common Mistakes: Three roots in geometric progression in a cubic
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Final Revision: Checking that the roots found satisfy the original equation
Act as my WAEC Further Mathematics coach in the last week before the paper. I am in SS 3.
Final Revision: Counting the number plates or codes that can be formed under a rule
Act as my WAEC Further Mathematics coach in the last week before the paper. I am in SS 3.
Final Revision: Proving an identity by working on one side only
Act as my WAEC Further Mathematics coach in the last week before the paper. I am in SS 3.
Show All Working: Solving a cos x plus b sin x equals c by the R method
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Final Revision: Losing solutions by dividing through by cos x
Act as my WAEC Further Mathematics coach in the last week before the paper. I am in SS 3.
Common Mistakes: Sketching two trigonometric curves on the same axes to find where they meet
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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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Final Revision: The perpendicular distance from a point to a line
Act as my WAEC Further Mathematics coach in the last week before the paper. I am in SS 3.
Common Mistakes: The condition for a line to be a tangent to a circle
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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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Final Revision: The focus-directrix definition shared by all the conics
Act as my WAEC Further Mathematics coach in the last week before the paper. I am in SS 3.