1,333 prompts matching "IGCSE Additional Maths Y11: Using an expansion to approximate a small power — Sp"
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Practice: Turning a minor into a cofactor with the sign rule
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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 an inverse
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Learn: Swapping and negating the entries when inverting a 2 by 2 matrix
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Practice: Why a 2 by 2 matrix with determinant nought cannot be inverted
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WAEC Prep: Checking the determinant before attempting a 3 by 3 inverse
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WAEC Prep: Simultaneous equations with fractional coefficients solved by matrix
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WAEC Prep: Reading the solution off the product of the inverse and the constants
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Explain Back: Solving two simultaneous equations by multiplying by the inverse
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Quiz: Solving three simultaneous equations with the inverse matrix
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WAEC Prep: A particle, and what the word assumes
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WAEC Prep: A rigid body, and what the word assumes
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Worked Example: The units of mass, and the SI unit
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Learn: Inertia, and what mass actually measures
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WAEC Prep: The difference between a kilogram and a kilogram weight
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Learn: Converting a weight given in kilogram-force into newtons
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Practice: The value of g used in Nigerian examination papers
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WAEC Prep: The resultant of two equal forces at sixty degrees
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Explain Back: The resultant of two forces acting in the same straight line
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