1,334 prompts matching "Sum of the first n terms of an arithmetic series"
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WAEC Prep: The determinant of a 3 by 3 matrix with two equal rows
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the determinant of
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
Act as my SS3 Further Mathematics tutor. Work a question on forming the determinant Dx by
WAEC Prep: The determinant Dz in a system of three unknowns
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the determinant Dz
Explain Back: What a coefficient determinant of nought says about the system
I have just studied what a coefficient determinant of nought says about the system in my S
Spot My Mistake: Checking cofactors by expanding the determinant along a second row
Act as my SS3 Further Mathematics tutor. Work a question on checking cofactors by expandin
WAEC Prep: The inverse of a 2 by 2 matrix with a fractional determinant
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the inverse of a 2
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: The sum and product of a pair of complex roots
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Worked Example: Finding the first term and the common difference from two given terms
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Quiz: The general term of a binomial expansion
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Explain the rule of signs for determinants
Explain the checkerboard pattern of positive and negative signs used when expanding a 3x3
Show all working: the determinant of a three by three matrix
You are my SS3 Further Mathematics tutor. Teach me the determinant of a three by three mat
Learn: The sum and the product of the roots read from the coefficients
You are my personal SS3 Further Mathematics tutor. Teach me the sum and the product of the
WAEC Prep: The standard deviation of grouped data using an assumed mean
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Spot my mistake: Treating the rth term of a binomial expansion as the one carrying the rth power
Act as my SS3 Further Mathematics tutor. Write a short answer on treating the rth term of
Find the sum to infinity command word
I am in SS 3. Set me an exam question phrased 'find the sum to infinity', for a geometric
Show that a geometric series converges and find its sum to infinity
I am in SS 3. Give me a structured question where I must first show a given geometric seri