[\frac{v_2}{6} + \frac{v_2 - v_1}{4} = 0]
[v = 10i]
Applying KVL, we get:
Solve for (i):
[30i = 30]
[R_{eq} = 2 \parallel 4 = \frac{2 \times 4}{2 + 4} = \frac{8}{6} = \frac{4}{3} \Omega]
Find (R_{eq}):
Combine like terms: