If x+y+z=1, $\frac{1}{x}$+$\frac{1}{y}$+$\frac{1}{z}$ =1 and xyz = -1, then $x^{3}$+$y^{3}$+$z^{3}$ is equal to

If x+y+z=1, $\frac{1}{x}$+$\frac{1}{y}$+$\frac{1}{z}$ =1 and xyz = -1, then $x^{3}$+$y^{3}$+$z^{3}$ is equal to
1). -1
2). 1
3). -2
4). 2

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