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#### tommietang

##### New member

- Nov 30, 2013

- 3

Could someone please guide me on how to do them? Am I trying to substitute things into each other?

Suppose that the sequence x0, x1, x2... is defined by

1) x_0 = 4, x_1=1, x_(k+2) = -x_(k+1) + 6x_k

2) x_0 = 7, x_1=4, x_2=7, x_(k+3) = -5x_(k+2) + 2x_(k+1) + 24x_k

3) x_0 = 3, x_1=1, x_(k+2) = -6x_(k+1) - 10x_k

All 3 for k>=0

Find a general formula for x_k

I would greatly appreciate any help!