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22-12-2017
Mathematics

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Can someone please explain how to get this answer? Recursive formula help!
t(1)=3 (in picture)

Can someone please explain how to get this answer Recursive formula helpt13 in picture class=

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budwilkins budwilkins

22-12-2017

t(1) = 3, t(n) = -2t(n-1) + 1
So t(2) = -2(t(1)) + 1 = -2(3) + 1 = -5
t(3) = -2(t(2)) +1 = -2(-5) +1 = 11
t(4) = -2(t(3)) +1 = -2(11) +1 = -21
t(5) = -2(t(4)) +1 = -2(-21) +1 = 43

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