1,331 prompts matching "Teach me dividing complex numbers by rationalising with the conjugate"
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Explain Back: Deciding whether a point lies inside, on or outside a circle
I have just studied deciding whether a point lies inside, on or outside a circle in my SS3
Common Mistakes: The condition for a line to be a tangent to a circle
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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
I have just studied the eccentricity of an ellipse in my SS3 Further Mathematics class. Le
Common Mistakes: Identifying a conic from a general second-degree equation
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Worked Example: The interquartile range of a set of ordered data
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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
Common Mistakes: The coefficient of variation, for comparing two sets
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Practice: A uniform beam resting on two supports
Act as my SS3 Further Mathematics tutor. Give me five practice questions on a uniform beam
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
Common Mistakes: The centre of gravity of a uniform lamina
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Practice: The triangle of velocities for a boat crossing a river
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Explain Back: The course to steer so that a boat crosses straight over
I have just studied the course to steer so that a boat crosses straight over in my SS3 Fur
Worked Example: The common acceleration of two connected particles
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Practice: A particle on a smooth table connected to a hanging particle
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Explain Back: A particle on a rough table connected to a hanging particle
I have just studied a particle on a rough table connected to a hanging particle in my SS3
Worked Example: The normal reaction on a body resting on a smooth incline
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Practice: The frictional force on a body on a rough incline
Act as my SS3 Further Mathematics tutor. Give me five practice questions on the frictional
Explain Back: The angle of friction, and the coefficient of friction
I have just studied the angle of friction, and the coefficient of friction in my SS3 Furth
Common Mistakes: The work done against friction on an incline
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