1,331 prompts matching "find the gradient of y = x^3 - 4x at the point where x = 2"
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Quiz: The direction cosines of a vector in three dimensions
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Worked Example: The distance between two points in three dimensions
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Learn: The magnitude of a three-dimensional vector
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Quiz: The direction of a vector as an angle with the x-axis
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Practice: The magnitude of the sum of two vectors
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Practice: A vector of stated magnitude in a given direction
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Spot My Mistake: The vector from A to B as the difference of two position vectors
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Worked Example: The triangle law of vector addition
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Practice: The dot product as the magnitudes times the cosine of the angle
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Explain Back: The dot product of two perpendicular vectors
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Learn: The angle between a vector and one of the axes
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Practice: Deciding whether a point lies on a given line
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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
Worked Example: The powers of i, and the cycle they follow
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Learn: The real and the imaginary parts of a complex number
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Practice: Equating real and imaginary parts to find two unknowns
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Quiz: The argument of a complex number
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Practice: The argument of a complex number in the second or third quadrant
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WAEC Prep: The conjugate shown on an Argand diagram
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Practice: The addition of complex numbers shown on an Argand diagram
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