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Solve the equation:2x^2+x+1=0...

Solve the equation:`2x^2+x+1=0`

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The correct Answer is:
N/a
Given equation is `2x^(2)+x+ 1=0 `
Here, `a=2, b =1, c=1`
From Sridharachary's formula
`" "x=(-bpmsqrt(b^(2)-4ac))/( 2a)`
`" "x=(-1pmsqrt(1-4xx2xx1))/(2xx2)`
`" "=(-1 pm sqrt(-7))/(4)=(-1pmisqrt(7))/(4)`
Therefore, solutions of equation are
`" "x=(-1)/(4)pm(isqrt(7))/(4)`
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