1,334 prompts matching "find the coefficient of x^4 in the expansion of (1+3x)^7"
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Spot My Mistake: The moment of a force whose line of action is not perpendicular
Act as my SS3 Further Mathematics tutor. Work a question on the moment of a force whose li
Worked Example: The moment of a force about a point on its own line of action
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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
WAEC Prep: The total moment of two forces about the same point
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o
Quiz: The point about which the total moment of a set of forces vanishes
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Explain Back: Locating the point of concurrence on a diagram
I have just studied locating the point of concurrence on a diagram in my SS3 Further Mathe
Quiz: A rod resting against a wall, and the concurrence of its three forces
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Worked Example: Matching each force to the sine of the angle opposite it
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Learn: Finding two unknown forces by Lami's theorem
You are my personal SS3 Further Mathematics tutor. Teach me finding two unknown forces by
WAEC Prep: The most likely number of successes in n trials
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the most likely nu
Spot My Mistake: The probability of exactly r successes in n trials
Act as my SS3 Further Mathematics tutor. Work a question on the probability of exactly r s
WAEC Prep: The probability of at least one event in a Poisson distribution
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the probability of
Practice: The probability of exactly r events in a Poisson distribution
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Worked Example: The probability of no events at all in a Poisson distribution
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WAEC Prep: Comparing the mean with the variance of a binomial distribution
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through comparing the mean
WAEC Prep: The expected number of successes in a practical problem
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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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Learn: The standard deviation of a binomial distribution
You are my personal SS3 Further Mathematics tutor. Teach me the standard deviation of a bi
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