1,334 prompts matching "The general term when one term in the bracket is negative"
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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: Finding the adjoint of a 3 by 3 matrix
Act as my SS3 Further Mathematics tutor. Work a question on finding the adjoint of a 3 by
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: Checking the determinant before attempting a 3 by 3 inverse
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through checking the deter
WAEC Prep: The inverse of a 3 by 3 matrix from its adjoint and its determinant
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Spot My Mistake: Why the inverse must be applied on the correct side
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WAEC Prep: When the matrix method is worth the work for three unknowns
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through when the matrix me
Spot My Mistake: Compounding three forces acting at one point
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Quiz: Recovering the original force from its two components
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WAEC Prep: Summing the components of several concurrent forces
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Spot My Mistake: Drawing the triangle of forces to scale to find an unknown force
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Spot My Mistake: Using concurrence to find the direction of an unknown third force
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Spot My Mistake: When Lami's theorem may be used, and when it may not
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Spot My Mistake: The probability of exactly r successes in n trials
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Worked Example: The probability of no events at all in a Poisson distribution
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Learn: The standard deviation of a binomial distribution
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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: Why the total area under the normal curve is one
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through why the total area