1,328 prompts matching "Practice: A cubic with one real root and two complex ones"
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Worked Example: Checking the solution of three equations by substitution
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Worked Example: The weight of a body as mass times g
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Worked Example: Using the sine rule on the triangle of forces
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Worked Example: Drawing the polygon of forces to scale
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Worked Example: The moment of a force about a point on its own line of action
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Worked Example: Matching each force to the sine of the angle opposite it
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Worked Example: Finding a particular term of a binomial expansion
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Worked Example: The probability of no events at all in a Poisson distribution
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Worked Example: Finding a value from a given probability by working backwards
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Worked Example: The continuity correction when approximating a discrete distribution
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Worked Example: Finding the unit vector in the direction of a given vector
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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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Worked Example: Squaring a complex number
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Worked Example: The quotient rule for differentiation
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Worked Example: Differentiating a bracket raised to a power
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Worked Example: Classifying a stationary point by the sign of the gradient either side
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Worked Example: Power as the rate of doing work
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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
Scalar multiplication of a matrix #3
Set me a scalar multiplication question like A=[[1,2,-1],[0,3,2],[4,1,0]], k=2, let me att