Please, list the first 5 terms ( x 1 </msub> , x 2 </msub>

Gael Gardner

Gael Gardner

Answered question

2022-05-19

Please, list the first 5 terms ( x 1 , x 2 , x 3 , x 4 , x 5 ) of the sequences
a ) x n = 3 n 2 5
b ) x 1 = 4 , x n + 1 = 7 x n

Answer & Explanation

Elbrinidr

Elbrinidr

Beginner2022-05-20Added 9 answers

a ) x n = 3 n 2 5
First five terms:
x 1 = 3 ( 1 ) 2 5 = 3 5 = 2
x 2 = 3 ( 2 ) 2 5 = 12 5 = 7
x 3 = 3 ( 3 ) 2 5 = 27 5 = 22
x 4 = 3 ( 4 ) 2 5 = 48 5 = 43
x 5 = 3 ( 5 ) 2 5 = 75 5 = 70

b ) x 1 = 4 , x n + 1 = 7 x n
First five terms:
x 1 = 4
x 2 = 7 x 1 = 7 4 = 3
x 3 = 7 x 2 = 7 3 = 4
x 4 = 7 x 3 = 7 4 = 3
x 5 = 7 x 4 = 7 3 = 4

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