1,045 prompts matching "Practice: The sign pattern of the cofactors in a 3 by 3 determinant"
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Summarise permutations and combinations for quick revision
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Summarise coordinate geometry for quick revision
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Summarise logarithms and indices for quick revision
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Summarise measures of dispersion for quick revision
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Test me under exam conditions on permutations and combinations
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Test me under exam conditions on coordinate geometry
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Test me under exam conditions on logarithms and indices
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Test me under exam conditions on measures of dispersion
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Give me memory tricks for Further Maths formulas
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Simplify the surd expression sqrt(72) + sqrt(18)
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Simplify the surd expression sqrt(50) - sqrt(8)
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Simplify the surd expression (3+sqrt2)(3-sqrt2)
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Simplify the surd expression 5/(1+sqrt3)
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Simplify the surd expression (2+sqrt5)^2
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Solve the trigonometric equation 2cos(x) = 1, for 0 <= x <= 360
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Solve the trigonometric equation tan(x) = -1, for 0 <= x <= 360
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Worked example: differentiate y = (2x-1)(x+3) after expanding it first
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Worked example: find AB where A = [[1,2],[3,4]] and B = [[2,0],[1,3]]
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Worked example: find A+B and A-B where A = [[1,-2],[3,0]] and B = [[4,1],[-2,5]]
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Worked example: how many ways can a committee of 4 be chosen from 10 people
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