1,303 prompts matching "Why brackets matter when an operation is not associative"
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Explain Back: Why the order of the letters matters in a matrix product
I have just studied why the order of the letters matters in a matrix product in my SS3 Fur
Spot My Mistake: A symmetric matrix, equal to its own transpose
Act as my SS3 Further Mathematics tutor. Work a question on a symmetric matrix, equal to i
Worked Example: A singular matrix, and why it has no inverse
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Explain Back: The order of the answer when two matrices are multiplied
I have just studied the order of the answer when two matrices are multiplied in my SS3 Fur
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
Spot My Mistake: Checking cofactors by expanding the determinant along a second row
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WAEC Prep: The newton, and how it is defined
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Spot My Mistake: The greatest and the least resultant of two given forces
Act as my SS3 Further Mathematics tutor. Work a question on the greatest and the least res
Spot My Mistake: Drawing the triangle of forces to scale to find an unknown force
Act as my SS3 Further Mathematics tutor. Work a question on drawing the triangle of forces
Explain Back: Why the total moment about any point must be nought
I have just studied why the total moment about any point must be nought in my SS3 Further
WAEC Prep: Calculating a moment as force times perpendicular distance
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Explain Back: The units of a moment, and why they are newton metres
I have just studied the units of a moment, and why they are newton metres in my SS3 Furthe
Spot My Mistake: Using concurrence to find the direction of an unknown third force
Act as my SS3 Further Mathematics tutor. Work a question on using concurrence to find the
WAEC Prep: The variance of a discrete random variable
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the variance of a
Explain Back: A probability distribution table for a discrete random variable
I have just studied a probability distribution table for a discrete random variable in my
WAEC Prep: The Poisson formula, and what lambda stands for
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WAEC Prep: Comparing the mean with the variance of a binomial distribution
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WAEC Prep: The mean of a binomial distribution as np
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Practice: The variance of a binomial distribution as npq
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WAEC Prep: The variance of a Poisson distribution over two intervals
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the variance of a