1,315 prompts matching "Expanding a bracket with a coefficient on x"
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Worked Example: The position vector of the midpoint of AB
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Worked Example: The triangle law of vector addition
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Practice: Deciding whether a point lies on a given line
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Practice: The sum of a complex number and its conjugate
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Practice: The argument of a complex number in the second or third quadrant
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Practice: The addition of complex numbers shown on an Argand diagram
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Practice: Converting a complex number from polar form back to a plus bi
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Practice: Why complex roots of a real quadratic come in conjugate pairs
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Explain Back: Differentiating one over x from first principles
I have just studied differentiating one over x from first principles in my SS3 Further Mat
Worked Example: The quotient rule for differentiation
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Worked Example: Classifying a stationary point by the sign of the gradient either side
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Explain Back: The constant of integration, and why it appears
I have just studied the constant of integration, and why it appears in my SS3 Further Math
Practice: The sign convention for displacement, velocity and acceleration
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Practice: The range of a projectile on level ground
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Practice: The conservation of momentum in a collision
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Worked Example: Finding the first term and the common difference from two given terms
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Explain Back: The sum of the first n terms of a geometric progression
I have just studied the sum of the first n terms of a geometric progression in my SS3 Furt
Practice: The sum to infinity of a convergent geometric series
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Explain Back: The line of best fit, and the regression line
I have just studied the line of best fit, and the regression line in my SS3 Further Mathem
Scalar multiplication of a matrix #1
I am in SS 3. Set me a scalar multiplication question like A=[[5,-1],[2,3]], k=4, let me a