5- Consider the following finite difference approximation Uij+1-Uij * (ui+1, - 2u., + ui-1,) +(4+1, - 4-1.). k by using the Fourier series method (von Neumann's method) this approximation is stable for a)rs 4+i-2 2 b)rs 4+i-1 c) rs 4+i d) None of the above is true.

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A: This question is related to Z transform,  we will solve it using given information.

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