Question

Which term of the AP 20, 17,14,........is first negative term?

1 point


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Answer 1

answer...Hence, the 8th term is the first negative number.

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Answer 2

Answer:

Hence, the 8th term is the first negative number.

Step-by-step explanations.

The given sequence is 20, 17, 14, ..............The nth term of this sequence is given by t n =a+(n−1)d.To find the first negative term, t n should be less than 0.We have 'a' = 20, 'd' = -3a+(n−1)d<0⟹20+(n−1)(−3)<0⟹20+3−3n<0⟹23−3n<0⟹3n>23orn> 323.

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