1,334 prompts matching "Teach me writing the sum and product of the roots from the coefficients"
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Worked Example: The associative law for the product of three matrices
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Explain Back: Why the order of the letters matters in a matrix product
I have just studied why the order of the letters matters in a matrix product in my SS3 Fur
Explain Back: The rule that the transpose of a product reverses the order
I have just studied the rule that the transpose of a product reverses the order in my SS3
WAEC Prep: The identity matrix, and what it does in a product
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WAEC Prep: The order of a matrix formed from a table of data
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Explain Back: The determinant of a product as the product of the determinants
I have just studied the determinant of a product as the product of the determinants in my
Explain Back: Writing out the full matrix of cofactors
I have just studied writing out the full matrix of cofactors in my SS3 Further Mathematics
Spot My Mistake: Checking cofactors by expanding the determinant along a second row
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WAEC Prep: The inverse of a 2 by 2 matrix as one over the determinant times the adjoint
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WAEC Prep: How long the inverse of a 3 by 3 matrix takes, and how to shorten it
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WAEC Prep: The inverse of a 3 by 3 matrix from its adjoint and its determinant
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Worked Example: The units of mass, and the SI unit
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WAEC Prep: The resultant of two forces acting at the same point
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Spot My Mistake: The greatest and the least resultant of two given forces
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WAEC Prep: The moment of a force about the foot of a pole
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WAEC Prep: The moment of a weight about a hinge
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Spot My Mistake: The moment of a force whose line of action is not perpendicular
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WAEC Prep: The total moment of two forces about the same point
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Quiz: The point about which the total moment of a set of forces vanishes
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WAEC Prep: The triangle of forces and concurrence taken together
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the triangle of fo