1,334 prompts matching "Solving for x when three terms are in geometric progression"
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WAEC Prep: Expanding a 3 by 3 determinant along the first row
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Worked Example: Evaluating a 3 by 3 determinant by the rule of Sarrus
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WAEC Prep: When Cramer's rule is quicker than elimination
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WAEC Prep: What Cramer's rule gives when the system is inconsistent
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Explain Back: What a coefficient determinant of nought says about the system
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WAEC Prep: The order in which the cofactors are transposed
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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 2 by 2 matrix with a fractional determinant
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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: The inverse of a 3 by 3 matrix from its adjoint and its determinant
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Explain Back: Solving two simultaneous equations by multiplying by the inverse
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WAEC Prep: A three-unknown system arising from a word problem
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WAEC Prep: Writing three simultaneous equations as a single matrix equation
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Worked Example: Checking the solution of three equations by substitution
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WAEC Prep: The resultant of two forces acting at the same point
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Explain Back: The resultant of two forces acting in the same straight line
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WAEC Prep: Two forces acting in opposite directions
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WAEC Prep: The magnitude of the resultant of two forces inclined at an angle
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WAEC Prep: Summing the components of several concurrent forces
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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