1,318 prompts matching "Sum of the first n terms of a geometric series"
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Explain Back: The determinant of a product as the product of the determinants
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WAEC Prep: The determinant of a 3 by 3 matrix with two equal rows
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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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Spot My Mistake: Forming the determinant Dx by replacing the first column
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WAEC Prep: The determinant Dz in a system of three unknowns
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Explain Back: What a coefficient determinant of nought says about the system
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Spot My Mistake: Checking cofactors by expanding the determinant along a second row
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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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WAEC Prep: Summing the components of several concurrent forces
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Learn: The algebraic sum of moments when the senses differ
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WAEC Prep: Writing the square root of minus nine in terms of i
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WAEC Prep: The geometric meaning of adding two complex numbers
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WAEC Prep: The sum and product of a pair of complex roots
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WAEC Prep: The nth term of an arithmetic progression
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Worked Example: Finding the first term and the common difference from two given terms
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WAEC Prep: The condition for a geometric series to converge
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WAEC Prep: The coefficient of the term in x to the power r
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