Question: Suppose u (0) = 1. Find u (1) , u (10) , and u (20) when (a) u (k+1) = 2u (k) , (b) u

Suppose u(0) = 1. Find u(1), u(10), and u(20) when 

(a) u(k+1) = 2u(k),

(b) u(k+1) = −.9u(k),

(c) u(k+1) = i u(k),

(d) u(k+1) = (1 − 2 i)u(k)

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