stackyw0806 stackyw0806

17-06-2020
Mathematics

contestada

write down in terms of n an expression of the following sequences
a) 12 10 8 6 4
b) 25 20 15 10 5

Respuesta :

09pqr4sT 09pqr4sT

17-06-2020

Answer:

[tex]-2n+14[/tex]

[tex]-5n+30[/tex]

Step-by-step explanation:

-2 difference.

[tex]u_{n} =-2n+c[/tex]

[tex]u_{1} =-2(1)+c=12[/tex]

[tex]c=14[/tex]

-5 difference.

[tex]u_{n} =-5n+c[/tex]

[tex]u_{1} =-5(1)+c=25[/tex]

[tex]c=30[/tex]

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