Question: Consider the sequence yn given recursively by y 1 = 1 , y 2 = 3 , and yn = 1 3 yn 1 +

Consider the sequence yn given recursively by y1=1, y2=3, and yn =13 yn1+23 yn2 for n >2.(a)[2] Show that yn is a contractive sequence. Thus, yn is convergent. (b)[2] Express yn yn1 in terms of y2 y1.(c)[2] Use (b) to express yn y1 in terms of y2 y1.(d)[2] Use (c) to find lim yn.

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