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If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m β 1) : (2n β 1).
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What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex
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Se tiene en una caja de canicas 10, 4 blancas y 6 negras ΒΏcual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ΒΏcual es la probalidad que en 2 extracciones sin reemplazo sean negras?
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Y= -2x - 45. solve for x if y = -10...
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