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(i) Find the values of k for which the q...

(i) Find the values of k for which the quadratic equation `(3k+1)x^(2)+2(k+1)x+1=0` has real and equal roots.
(ii) Find the value of k for which the equation `x^(2)+k(2x+k-1)+2=0` has real and equal roots.

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