1,334 prompts matching "find the coefficient of x^4 in the expansion of (1+3x)^7"
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Show All Working: Counting the handshakes, or the lines joining n points
Act as my WAEC Further Mathematics examiner. I am in SS 3. Set me a question on counting t
Common Mistakes: Selections in which at least one of a kind must appear
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Final Revision: Combinations used with the addition and multiplication principles
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Show All Working: The half angle formulae and the t-substitution
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Worked Example: Solving cos x equals a negative value, and finding both solutions
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Show All Working: Solving a cos x plus b sin x equals c by the R method
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WAEC Prep: A phase shift in y equals sin of x minus d
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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
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Worked Example: The equation of a circle with a given centre and radius
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Practice: The equation of a circle on a given diameter
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Common Mistakes: The condition for a line to be a tangent to a circle
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Quiz: The equation of the tangent to a parabola
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Spot My Mistake: The foci of an ellipse
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Show All Working: The rectangular hyperbola xy equals c squared
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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.
Learn: The range, and why it is a weak measure of spread
You are my personal SS3 Further Mathematics tutor. Teach me the range, and why it is a wea
Spot My Mistake: The standard deviation of an ungrouped set of data
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Final Revision: A ladder leaning against a wall, and the moments acting on it
Act as my WAEC Further Mathematics coach in the last week before the paper. I am in SS 3.