Which of the following sets of points form an equilateral triangle? $\left(1,0\right),\left(4,0\right),\left(7,-1\right)$$\left(0,0\right),\left(\frac{3}{2},\frac{4}{3}\right),\left(\frac{4}{3},\frac{3}{2}\right)$$\left(\frac{2}{3},\right),\left(0,\frac{2}{3}\right),\left(1,1\right)$ (d) None of these

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