Two mark example problem VI — task. Mathematics State Board, Class 10.

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Answer variants:

- \frac{1}{2}

\frac{1}{2}

\(-1\)

\(1\)

Solve \(2x^2 - x - 1 = 0\) by completing the square method.

Answer:

The roots are \(x =\)

and

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10. Two mark example problem VI