Question

Find 9th term if an = 24 - 3n​

Answer 1

Answer:

-3

Step-by-step explanation:

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Answer 2

Answer:

tn=24-3n

t1=24-3=21

t2=24-6=18

d=t2-t1=18-21=-3

t9=21+(9-1)-3

=21-24

=-3

t9=-3