708 prompts matching "Dividing one surd by another"
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Explain Back: Finding the adjoint of a 2 by 2 matrix quickly
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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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Quiz: Checking a 3 by 3 inverse by multiplication
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Explain Back: Solving two simultaneous equations by multiplying by the inverse
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Worked Example: Checking the solution of three equations by substitution
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Learn: A space diagram and a force diagram drawn side by side
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Learn: Finding two unknown forces by Lami's theorem
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Explain Back: Testing whether data are Poisson by comparing mean and variance
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Worked Example: Finding a value from a given probability by working backwards
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Explain Back: Raising a complex number to a power by de Moivre's theorem
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Spot My Mistake: Classifying a stationary point by the second derivative
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Worked Example: Classifying a stationary point by the sign of the gradient either side
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Learn: Integrating a polynomial term by term
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Learn: Finding displacement by integrating velocity
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Explain Back: The greatest height reached by a body thrown upwards
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Show all working: the determinant of a three by three matrix
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Teach me how to find the writing the inverse of a two by two matrix with the adjugate
You are my SS3 Further Mathematics tutor. Teach me writing the inverse of a two by two mat