clarkejoseph732 clarkejoseph732
  • 26-06-2021
  • Mathematics
contestada

The sequence is defined recursively. Write the first four terms.

a 1 = -10; a n = n - a n - 1

Respuesta :

abidemiokin
abidemiokin abidemiokin
  • 01-07-2021

Answer:

-10, 12, -9 and 13

Step-by-step explanation:

Given the recursive sequence

a1 = -10

an = n - an-1

a2  = 2 - a1

a2 = 2  - (-10)

a2 = 2+10

a2 = 12

a3 = 3 - a2

a3 = 3  - (12)

a3 = -9

a4  = 4 - a3

a4 = 4  - (-9)

a4 = 4+9

a4 = 13

Hence the first 4 terms are -10, 12, -9 and 13

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