1,045 prompts matching "The inverse of a 2 by 2 matrix as one over the determinant times the adjoint"
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Summarise the binomial theorem for quick revision
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Test me under exam conditions on polynomials and the remainder/factor theorems
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Test me under exam conditions on the binomial theorem
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Quiz me on the whole term's Further Maths topics
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Solve the logarithmic equation log2(x) + log2(x-2) = 3
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Solve the logarithmic equation log(x+1) - log(x-1) = 2
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Solve the logarithmic equation 2log(x) = log(x+6) + log(4)
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Solve the logarithmic equation log3(x^2) - log3(x+2) = 1
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Solve the logarithmic equation log5(x+3) + log5(2) = 2
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Quiz: Factorising a difference of two squares in order to solve it
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Common Mistakes: Checking a completed square by expanding it again
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Final Revision: Why completing the square always works
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Show All Working: Choosing between factorising and the formula
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Final Revision: A word problem solved with the quadratic formula
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Explain Back: Finding a missing coefficient from a stated sum of roots
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Spot My Mistake: Finding a missing coefficient from a stated product of roots
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Learn: What makes an expression in the roots symmetric
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Show All Working: A simultaneous pair in which the second equation is a circle
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Common Mistakes: A word problem giving one linear and one quadratic equation
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Learn: Forming the quadratic that decides where a line meets a curve
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