1,332 prompts matching "Identity and inverse together, and what they give the set"
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WAEC Prep: Finding the mean or the standard deviation from a given probability
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WAEC Prep: The zero vector, and what it means
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Practice: The components of a vector given its magnitude and direction
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WAEC Prep: The resultant force on a particle given in i and j form
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Worked Example: The powers of i, and the cycle they follow
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WAEC Prep: The modulus and the argument taken together
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Worked Example: Finding the first term and the common difference from two given terms
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WAEC Prep: The scatter diagram, and what it shows about correlation
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Worked Example: The discriminant, and what each of its three cases means
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Quiz: Solving tan x equals a given value, and the period of the tangent
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Worked Example: The equation of a circle with a given centre and radius
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Learn: Hooke's law, and what the modulus of elasticity means
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Spot my mistake: Assuming AB and BA give the same matrix
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Quiz me on 2x2 and 3x3 determinants together
Quiz me with two questions, one 2x2 determinant and one 3x3 determinant, mark both, and te
Explain the identity matrix
Explain what the identity matrix I is and show, with a 3x3 numerical example, that AI = IA
What a function is and function notation
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Finding the inverse of a simple linear function
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Domain and range of an inverse function
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Practice: What a singular coefficient matrix says about the equations
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Practice: Comparing the inverse method with elimination for three equations
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