Find the 20 term from the last term of the ap: 3,8,13, 253
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0
Answer:
use formula : an = a+ (n-1)d
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2
Answer:
3,8,13,......253
n=20
a=3
d=8-3=5, d=13-8=5
a 20th term=a+(n-1)d
=3+(20-1)5
=3+19×5
=3+95
=98
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