1,334 prompts matching "Give me practice on sum and product of roots"
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WAEC Prep: A matrix expression with brackets to expand
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through a matrix expressio
Worked Example: What a determinant of nought means for a 2 by 2 matrix
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WAEC Prep: Expanding a 3 by 3 determinant along the first row
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Quiz: Expanding a 3 by 3 determinant along a row or column containing noughts
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WAEC Prep: When Cramer's rule is quicker than elimination
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WAEC Prep: Cramer's rule applied to a pair with fractional coefficients
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Learn: Solving two simultaneous equations by Cramer's rule
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WAEC Prep: Setting out Cramer's rule for three simultaneous equations
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Spot My Mistake: Checking a Cramer's rule solution by substituting back
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Worked Example: The identity that A times its adjoint gives the determinant times the identity
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Explain Back: The inverse of a diagonal matrix
I have just studied the inverse of a diagonal matrix in my SS3 Further Mathematics class.
Worked Example: Checking the solution of three equations by substitution
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Learn: Inertia, and what mass actually measures
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WAEC Prep: The newton, and how it is defined
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Worked Example: The weight of a body as mass times g
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Explain Back: The resultant of two forces acting in the same straight line
I have just studied the resultant of two forces acting in the same straight line in my SS3
Worked Example: The direction of the resultant of two forces
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WAEC Prep: Resolving a force into horizontal and vertical components
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Explain Back: Showing that a system of concurrent forces is in equilibrium
I have just studied showing that a system of concurrent forces is in equilibrium in my SS3
Worked Example: Marking the weight, the normal reaction and the friction on a diagram
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