It is given that for an arithmetic progression sum of
8
8 terms is equal to sum of
19
19 terms. Which term of the sequence is
0
0?
Select one:
A.
13
t
h
13th term
B.
14
t
h
14th term
C.
15
t
h
15th term
D. There is no term which is
0
Answers
Answered by
1
Answer:
sum of 8 terms to sum of 19 terms
8/2(2a+7d)=19/2(2a+18d)
8(2a+7d)=19(2a+18d)
38a-16a+342d-56d=0
22a+286d=0
22(a+13d)=0
a+13d=0
which is 14th term
Answered by
1
Answer: sum of 8 terms to sum of 19 terms
8/2(2a+7d)=19/2(2a+18d)
8(2a+7d)=19(2a+18d)
38a-16a+342d-56d=0
22a+286d=0
22(a+13d)=0
a+13d=0
which is 14th term
Step-by-step explanation:
Similar questions