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A piecewise linear function $f(x)$ is plotted using thick solid lines in the figure below (the plot is drawn to scale).

If we use the Newton-Raphson method to find the roots of $f(x)=0$ using $x_0, x_1,$ and $x_2$ respectively as initial guesses, the roots obtained would be

1. 1.3, 0.6, and 0.6 respectively
2. 0.6, 0.6, and 1.3 respectively
3. 1.3, 1.3, and 0.6 respectively
4. 1.3, 0.6, and 1.3 respectively
closed with the note: Out of syllabus now
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