1,044 prompts matching "Practice: Factorising a quadratic with a common factor taken out first"
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Quiz: The direction cosines of a vector in three dimensions
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Learn: The magnitude of a three-dimensional vector
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Learn: The unit vectors i, j and k
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Spot My Mistake: The vector from A to B as the difference of two position vectors
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Learn: Subtracting one vector from another
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Explain Back: The dot product of two perpendicular vectors
I have just studied the dot product of two perpendicular vectors in my SS3 Further Mathema
Learn: The angle between a vector and one of the axes
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Quiz: The vector equation of the line through two given points
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Explain Back: The resultant of forces given as vectors
I have just studied the resultant of forces given as vectors in my SS3 Further Mathematics
Spot My Mistake: The equilibrium condition written in vector form
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Learn: The real and the imaginary parts of a complex number
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Quiz: Subtracting one complex number from another
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Spot My Mistake: Dividing one complex number by another using the conjugate
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Quiz: The product of a complex number and its conjugate
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Quiz: The argument of a complex number
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Explain Back: The locus of a complex number at a fixed distance from a point
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Quiz: Writing a complex number in polar form
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Explain Back: Raising a complex number to a power by de Moivre's theorem
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Spot My Mistake: Deriving a multiple angle formula from de Moivre's theorem
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Learn: The cube roots of unity
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