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Multiple choice

Find the sum of roots of equation $\displaystyle 2{ x }^{ 2 }+5\sqrt { 3x } +1b=0$

  1. $\displaystyle \frac { 5\sqrt { 3 } }{ 2 } $
  2. $\displaystyle \frac { 2 }{ 5\sqrt { 3 } } $
  3. $\displaystyle \frac { -5\sqrt { 3 } }{ 2 } $
  4. $\displaystyle \frac { 5 }{ 2\sqrt { 3 } } $
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