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Class 9 Mathematics Sequences and Progressions Explicit or general ruleExpert

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If (a_n=22-4n), which will be the first negative term?

Answer and explanation

Correct answer: (6)th

(a_5=2) and (a_6=-2), so the first negative term is the (6)th. Do not count zero or positive terms as negative.

Related tags

Sequences Progressions Decreasing-Sequence Term-Position Explicit Or General Rule Sequences And Progressions Mathematics Class 9 Mcq

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