1,235 prompts matching "A tautology used to justify a rule of algebra"
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Quiz: Choosing which equation of motion to use
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Quiz: Newton's third law, and identifying the pair of forces
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Practice: The sum to infinity of a convergent geometric series
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WAEC Prep: The coefficient of the term in x to the power r
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Find the inverse of a 3x3 matrix using cofactors #1
I am in SS 3. Give me a 3x3 matrix like A=[[1,2,3],[0,1,4],[5,6,0]] and guide me through f
Find the inverse of a 3x3 matrix using cofactors #2
I am in SS 3. Give me a 3x3 matrix like A=[[2,0,1],[1,3,-1],[0,1,2]] and guide me through
Find the inverse of a 3x3 matrix using cofactors #3
Give me a 3x3 matrix like A=[[1,-1,2],[0,2,1],[3,0,1]] and guide me through finding its in
Vectors and simple geometry proof
I am in SS 3. Give me a short vector geometry problem, such as showing that a quadrilatera
Worked example: finding the matrix of cofactors and the adjugate
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Teach me how to find the writing the inverse of a two by two matrix with the adjugate
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Practice: Rationalising a denominator of the form root a
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Explain Back: Rationalising a denominator of the form a plus root b using the conjugate
I have just studied rationalising a denominator of the form a plus root b using the conjug
WAEC Prep: Comparing the sizes of two surds without a calculator
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Spot My Mistake: The factor theorem for a divisor of the form ax minus b
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Learn: The meaning of n factorial, and how to evaluate it
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Learn: The meaning of n choose r, and how to evaluate it
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Spot My Mistake: The equation of the tangent to a circle at a point on it
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Quiz: The equation of the tangent to a parabola
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Show All Working: The effect on the standard deviation of adding a constant to every value
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Learn: The velocity of one body relative to another
You are my personal SS3 Further Mathematics tutor. Teach me the velocity of one body relat