Sum of the 13th term of an ap is 416 find its 7th term?
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Answered by
0
let take the 1st number as x
let take 2nd number as x-416
according to the question,
equation: x+x-416=416
2x=416+416
x=832/2
= 416
7th term = x-416
= 416-416
=0
13th term =416
so the sum is 416
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let take 2nd number as x-416
according to the question,
equation: x+x-416=416
2x=416+416
x=832/2
= 416
7th term = x-416
= 416-416
=0
13th term =416
so the sum is 416
if it is helpful for you Mark me as the brainliest
Answered by
1
Answer:
13th term is32
Step-by-step explanation:
required formula
Sn=n/2{2a+(n-1)d}
an=a+(n-1)d
Attachments:
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