Turtlewppw
Turtlewppw Turtlewppw
  • 17-05-2017
  • Mathematics
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(a+1)(a+2)=0 i have quiz

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WeatheringWithYou
WeatheringWithYou WeatheringWithYou
  • 17-05-2017
Because anything times 0 is zero, set one of the parentheses values to zero.

A = -1

A = -2
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[tex] \rm\sum_{n=1}^{\infty}\sum_{m=1}^{\infty} \frac{( - 1 {)}^{n + 1} }{ {mn}^{2} + mn + {m}^{2} n} \\ [/tex]​
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