1dude............if i were u i wud do it by induction.........or by substituting values of n from 1 to 5.........(if i wer a multiple choice).......but how do we prove tht?
An integer sequence {an}n≥1 is defined by a0=0, a1=1, an+2=2an+1+an
Show that 2k divides an if and only if 2k divides n.
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5 Answers
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1haha............ i told to use induction...............yippee ......atleast first step is rite.