find the 31st term of an ap whose 11 th term is 38 and 16th term is 73
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find the 31st term of an ap whose 11 th term is 38 and 16th term is 73
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Answer:
178
Step-by-step explanation:
a+10d=38
a+15d=73
2-1
5d=35
d=7
from 1
a=38-10d
=38-70=-32
31st term= a+30d=178
Answer:
The 31st term =178
Step-by-step explanation:
solution is in attachment