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What is the general term of the sequence (9,8,7,6,\ldots)?
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Answer and explanation
Correct answer: (a_n=10-n)
At (n=1), it gives (9), and at (n=2), it gives (8). In exams, for a decreasing difference of (1), think (a_n=\text{constant}-n).
Frequently asked questions
What is the correct answer to this question?
(a_n=10-n)
Why is this the correct answer?
At (n=1), it gives (9), and at (n=2), it gives (8). In exams, for a decreasing difference of (1), think (a_n=\text{constant}-n).
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Sequences and Progressions. Topic: Explicit or general rule.
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