Please find the equivalent resistance between X and Y...and please be fast

Dear Student,

Please find below the solution to the asked query:

$$\begin{gathered} Resis\tan ce between x and B is has R and R in seris (via A) then then \\ it is in parallel with 2R. \\ So resis\tan ce between x and B via A is 2R. \\ So total resis\tan ce between x and B is r_B=\frac{2R\times 2R}{2R+2R}=R \\ So resis\tan ce between x and C via B is r_B+R=2R \\ So resis\tan ce between x and C is r_c=\frac{2R\times 2R}{2R+2R}=R \\ Simillerly resis\tan ce between x and C is R \\ and resis\tan ce betwen x and y is also R \end{gathered}$$

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