Math, asked by gezzax, 2 days ago

what is the nth term 20 18...

Answers

Answered by unoschristlover

0

Answer:

a=20

d=18-20=-2

an= a+(n-1)d

20+(n-1)-2

20-2n+2=0

22-2n=0

22=2n

22/2=n

n=11 make it brilliant

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