1,317 prompts matching "Why multiplying by the conjugate clears the surd"
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Worked Example: The parametric form of a point on a parabola
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Quiz: The equation of the tangent to a parabola
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Practice: The ellipse in standard form, and its two axes
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Explain Back: The eccentricity of an ellipse
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Spot My Mistake: The foci of an ellipse
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WAEC Prep: The hyperbola in standard form, and its asymptotes
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Worked Example: The interquartile range of a set of ordered data
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Quiz: The semi-interquartile range
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Practice: The mean deviation from the mean
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Explain Back: The variance of an ungrouped set of data
I have just studied the variance of an ungrouped set of data in my SS3 Further Mathematics
Spot My Mistake: The standard deviation of an ungrouped set of data
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WAEC Prep: The standard deviation of grouped data using an assumed mean
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Common Mistakes: The coefficient of variation, for comparing two sets
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Final Revision: Reading the quartiles off a cumulative frequency curve
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Worked Example: The sign convention for clockwise and anticlockwise moments
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Quiz: The principle of moments for a body in equilibrium
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Explain Back: Finding the reaction at each support of a loaded beam
I have just studied finding the reaction at each support of a loaded beam in my SS3 Furthe
Spot My Mistake: The point at which a loaded beam will tip about its support
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Common Mistakes: The centre of gravity of a uniform lamina
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Final Revision: A ladder leaning against a wall, and the moments acting on it
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