1,333 prompts matching "Checking an inverse by working the operation both ways"
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WAEC Prep: A rigid body held in equilibrium by four forces
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through a rigid body held
Practice: Why the forces must sum to nought in two perpendicular directions
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Learn: Choosing the point about which to take moments
You are my personal SS3 Further Mathematics tutor. Teach me choosing the point about which
Learn: What an unclosed polygon of forces tells you
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Practice: Finding an unknown force from a closed polygon
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Learn: The algebraic sum of moments when the senses differ
You are my personal SS3 Further Mathematics tutor. Teach me the algebraic sum of moments w
WAEC Prep: A knot held in equilibrium by three strings
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through a knot held in equ
Practice: Using a binomial expansion to approximate a number
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Practice: The probability of at least one success
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Practice: The probability of exactly r events in a Poisson distribution
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Learn: Finding lambda from a stated mean
You are my personal SS3 Further Mathematics tutor. Teach me finding lambda from a stated m
WAEC Prep: Comparing two values from different normal distributions by z-score
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through comparing two valu
Learn: The probability that a normal variable lies between two values
You are my personal SS3 Further Mathematics tutor. Teach me the probability that a normal
Practice: Using the normal tables when the z-score is negative
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Learn: The coordinates of a point in three dimensions
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Learn: The magnitude of a three-dimensional vector
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Practice: The magnitude of the sum of two vectors
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Practice: Deciding whether a point lies on a given line
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Practice: Equating real and imaginary parts to find two unknowns
Act as my SS3 Further Mathematics tutor. Give me five practice questions on equating real
WAEC Prep: Multiplying a complex number by a real number
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through multiplying a comp