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Let u and v be the solutions to 3x^2 + 5x + 7 = 0.  Find 1/u + 1/v.

 May 31, 2021
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Using veita formula, the sum of the roots is 7/3 and the product is -5/3

 

7/3 / -5/3 = 7/3 * - 3/5 = - 7/5

 

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 Jun 1, 2021

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