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If \(\alpha\), \(\beta\) are the roots of the equation \(3x^2 + 7x - 2 = 0\), find the values of
 
(i) \(\frac{\alpha}{\beta} + \frac{\beta}{\alpha} =\) ii
 
(ii) \(\frac{\alpha^2}{\beta} + \frac{\beta^2}{\alpha} =\) ii