2x^(2) + x+1=0...

`2x^(2) + x+1=0`

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Verified by Experts

The correct Answer is:

`(-1 +-sqrt(7)i)/4`

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The equatio y^(2)-x^(2)+2x-1=0 represents

x^(2) + x + 1/sqrt(2)=0

x^(2) + x + 1/sqrt(2)=0

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