Question

how to find a6 in arithmetic progressional if an =3n-9, then a6 is​

Answer 1

Answer:

12

Step-by-step explanation:

3n-6

let n=6

3[6]-6

18-6

12

Answer 2

Answer:

if , an = 3n-9

then for a6 , substitute n as 6

a(6) = 3(6) -9

a(6) = 18-9

a(6) = 9

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