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Need check on Difference Equation

Hello,

I have attached the question.

I have been told to find Uo.

But I keep on getting the wrong answer.

Please check my working...Thanks.

image1 (1).jpg
Original post by mathsRus
..
Not familiar with solving difference equations, but shouldn't your unu_n be:

A+B(1130)n\displaystyle A+B\left(\frac{11}{30}\right)^n
Reply 2
Original post by ghostwalker
Not familiar with solving difference equations, but shouldn't your unu_n be:

A+B(1130)n\displaystyle A+B\left(\frac{11}{30}\right)^n


oh yea!!! what a mistake lol

Thanks

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