1,244 prompts matching "IGCSE Additional Maths Y10: Sketching a cubic once it has been factorised — Show"
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WAEC Prep: The adjoint of the identity 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 2 by 2 matrix with a fractional determinant
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Quiz: Checking an inverse by multiplying to get the identity
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Practice: Why a 2 by 2 matrix with determinant nought cannot be inverted
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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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WAEC Prep: Simultaneous equations with fractional coefficients solved by matrix
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WAEC Prep: Writing two simultaneous equations as a single matrix equation
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WAEC Prep: Writing three simultaneous equations as a single matrix equation
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Quiz: Solving three simultaneous equations with the inverse matrix
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Practice: Comparing the inverse method with elimination for three equations
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Worked Example: Checking the solution of three equations by substitution
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WAEC Prep: Mass, and how it differs from weight
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Worked Example: The units of mass, and the SI unit
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WAEC Prep: The weight of a body on the moon compared with on earth
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WAEC Prep: The newton, and how it is defined
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WAEC Prep: The angle the resultant makes with the larger of two forces
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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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