1,320 prompts matching "Finding the identity element from a rule such as a*b = a + b - 3"
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WAEC Prep: The determinant of the identity matrix
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the determinant of
Worked Example: Evaluating a 3 by 3 determinant by the rule of Sarrus
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WAEC Prep: What Cramer's rule gives when the system is inconsistent
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WAEC Prep: The adjoint of the identity matrix
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Explain Back: Finding the adjoint of a 2 by 2 matrix quickly
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Spot My Mistake: Finding the adjoint of a 3 by 3 matrix
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Worked Example: The identity that A times its adjoint gives the determinant times the identity
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WAEC Prep: The inverse of a 3 by 3 matrix from its adjoint and its determinant
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WAEC Prep: Mass, and how it differs from weight
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Quiz: Why mass stays the same wherever the body is taken
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Quiz: Recovering the original force from its two components
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Explain Back: The forces acting on a body hanging from two strings
I have just studied the forces acting on a body hanging from two strings in my SS3 Further
WAEC Prep: The triangle of forces used together with the cosine rule
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the triangle of fo
WAEC Prep: Labelling the triangle of forces from the space diagram
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Worked Example: Using the sine rule on the triangle of forces
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WAEC Prep: Lami's theorem derived from the triangle of forces
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WAEC Prep: A lamp hanging from two wires, solved by Lami's theorem
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Learn: Finding two unknown forces by Lami's theorem
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Learn: Finding the coefficient of a stated power in an expansion
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Practice: The probability of at least one success
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