1,334 prompts matching "Expressing the answer in the form a plus b root c"
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Learn: The order of the steps in inverting a 3 by 3 matrix
You are my personal SS3 Further Mathematics tutor. Teach me the order of the steps in inve
Explain Back: The inverse of a diagonal matrix
I have just studied the inverse of a diagonal matrix in my SS3 Further Mathematics class.
Explain Back: Solving two simultaneous equations by multiplying by the inverse
I have just studied solving two simultaneous equations by multiplying by the inverse in my
Practice: What a singular coefficient matrix says about the equations
Act as my SS3 Further Mathematics tutor. Give me five practice questions on what a singula
Practice: Comparing the inverse method with elimination for three equations
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Worked Example: Checking the solution of three equations by substitution
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Practice: The value of g used in Nigerian examination papers
Act as my SS3 Further Mathematics tutor. Give me five practice questions on the value of g
Explain Back: The resultant of two forces acting in the same straight line
I have just studied the resultant of two forces acting in the same straight line in my SS3
Practice: Choosing the most convenient pair of directions to resolve along
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Worked Example: Marking the weight, the normal reaction and the friction on a diagram
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Explain Back: The forces acting on a body hanging from two strings
I have just studied the forces acting on a body hanging from two strings in my SS3 Further
Worked Example: Using the sine rule on the triangle of forces
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Explain Back: The order in which the forces are drawn round the triangle
I have just studied the order in which the forces are drawn round the triangle in my SS3 F
Practice: Why the forces must sum to nought in two perpendicular directions
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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
Learn: Choosing the point about which to take moments
You are my personal SS3 Further Mathematics tutor. Teach me choosing the point about which
Worked Example: Drawing the polygon of forces to scale
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Practice: Limiting friction, and the greatest value it can reach
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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