Math, asked by ruhaim, 8 months ago

The roots of x2+x +1=0 are

Answers

Answered by AkshitBedi07
1

Answer:

1.618 & -0.618

Step-by-step explanation:

The given equation clearly does not have 1 as it's root.

Multiply both sides of the the given equation by  (x−1) .

This gives you equation  x3–1=0 .

1 is the only root of the given cubic. The other two are the complex cube roots of 1.

They are {[math]\[/math] cos(2π/3)+isin(2π/3),cos(4π/3)+isin(4π/3) }.

This can also be obtained by directly applying the quadratic formula.

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Answered by khushigupta9695334
0

Answer:

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