1,331 prompts matching "Teach me dividing complex numbers by rationalising with the conjugate"
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WAEC Prep: Setting out Cramer's rule for three simultaneous equations
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o
Quiz: Arranging the equations in standard form before applying Cramer's rule
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Practice: Turning a minor into a cofactor with the sign rule
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Explain Back: Finding the adjoint of a 2 by 2 matrix quickly
I have just studied finding the adjoint of a 2 by 2 matrix quickly in my SS3 Further Mathe
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
WAEC Prep: When the matrix method is worth the work for three unknowns
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Quiz: Solving three simultaneous equations with the inverse matrix
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Worked Example: Checking the solution of three equations by substitution
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WAEC Prep: A particle, and what the word assumes
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WAEC Prep: A rigid body, and what the word assumes
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Quiz: Why mass stays the same wherever the body is taken
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WAEC Prep: The weight of a body on the moon compared with on earth
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WAEC Prep: The resultant of two forces acting at the same point
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WAEC Prep: The angle the resultant makes with the larger of two forces
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WAEC Prep: The triangle of forces used together with the cosine rule
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WAEC Prep: The moment of a force about the foot of a pole
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WAEC Prep: The moment of a weight about a hinge
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WAEC Prep: Calculating a moment as force times perpendicular distance
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Spot My Mistake: The moment of a force whose line of action is not perpendicular
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WAEC Prep: The resultant moment of a couple and a force together
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the resultant mome