If the oth term of an A.P. be zero, then the ratio of its 29th and 19th term is
Question
If the oth term of an A.P. be zero, then the ratio of its 29th and 19th term is
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Mathematics
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2021-07-17T15:27:13+00:00
2021-07-17T15:27:13+00:00 2 Answers
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Answer:
which term?
the question is not proper
please add my answer to the brainelist answers and follows up me.
Given 9th term = 0
a + 8d = 0
a = -8d
29th term = a + 28d = -8d + 28d = 20 d
19th term = a + 18 d = -8d + 18 d = 10d
Ratio of 29th and 19th term = 20d/10d
= 2/1
the answer is 2:1.