2 years ago

Find explicit formula for the sequence given by the recursive definition u_n= 5u_(n-1), u_1= 20

1 answer:

5 0

Answer:

Step-by-step explanation:

u1 = 20

r = 5

Un = 20 × 5^(n-1)

Un = 20 × (5^n)/5

Un = 4 × 5^n

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