1,322 prompts matching "Proving the sum formula for a geometric progression"
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Spot My Mistake: Finding the adjoint of a 3 by 3 matrix
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Learn: Swapping and negating the entries when inverting a 2 by 2 matrix
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Quiz: Checking an inverse by multiplying to get the identity
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Learn: The order of the steps in inverting a 3 by 3 matrix
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Spot My Mistake: Why the inverse must be applied on the correct side
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Practice: What a singular coefficient matrix says about the equations
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Quiz: Solving three simultaneous equations with the inverse matrix
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Quiz: Why mass stays the same wherever the body is taken
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Learn: Converting a weight given in kilogram-force into newtons
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Practice: The value of g used in Nigerian examination papers
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WAEC Prep: Resolving before compounding several forces
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Spot My Mistake: Compounding three forces acting at one point
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WAEC Prep: Two forces acting in opposite directions
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WAEC Prep: Resolving a force into horizontal and vertical components
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Practice: Choosing the most convenient pair of directions to resolve along
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Explain Back: Showing that a system of concurrent forces is in equilibrium
I have just studied showing that a system of concurrent forces is in equilibrium in my SS3
WAEC Prep: Drawing a clear force diagram for a body at rest
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Learn: A space diagram and a force diagram drawn side by side
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WAEC Prep: A rigid body held in equilibrium by four forces
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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