1,301 prompts matching "A savings problem modelled by an arithmetic progression"
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WAEC Prep: How long the inverse of a 3 by 3 matrix takes, and how to shorten it
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through how long the inver
WAEC Prep: Checking the determinant before attempting a 3 by 3 inverse
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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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Explain Back: Solving two simultaneous equations by multiplying by the inverse
I have just studied solving two simultaneous equations by multiplying by the inverse in my
Learn: A space diagram and a force diagram drawn side by side
You are my personal SS3 Further Mathematics tutor. Teach me a space diagram and a force di
WAEC Prep: A lamp hanging from two wires, solved by Lami's theorem
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Explain Back: Testing whether data are Poisson by comparing mean and variance
I have just studied testing whether data are Poisson by comparing mean and variance in my
WAEC Prep: The probability that a normal variable exceeds the mean by more than one standard deviation
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Spot My Mistake: Dividing one complex number by another using the conjugate
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Quiz: Using the initial conditions to fix the constants in a kinematics problem
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WAEC Prep: A small percentage change estimated by calculus
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Quiz: A rate of change problem about a vessel filling with water
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WAEC Prep: The work done by a constant force
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WAEC Prep: How many terms a geometric progression has
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WAEC Prep: Expanding a bracket by the binomial theorem
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Quiz: The remainder theorem, and the remainder on dividing by x minus a
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Evaluate a 3x3 determinant by expansion #1
Give me a 3x3 matrix like A=[[1,2,3],[0,1,4],[5,6,0]] and ask me to evaluate its determina
Evaluate a 3x3 determinant by expansion #2
Give me a 3x3 matrix like A=[[2,0,-1],[3,1,2],[-1,4,0]] and ask me to evaluate its determi
Evaluate a 3x3 determinant by expansion #3
I am in SS 3. Give me a 3x3 matrix like A=[[1,-2,3],[4,0,1],[2,1,-3]] and ask me to evalua