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In an arithmetic sequence, the first term is (17) and the (n)th term is (5n+12). What is the common difference?
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Answer and explanation
Correct answer: (5)
In (a_n=5n+12), the coefficient of (n) is (5), so the common difference is (5). In a linear (n)th term, the coefficient of (n) gives the difference.
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What is the correct answer to this question?
(5)
Why is this the correct answer?
In (a_n=5n+12), the coefficient of (n) is (5), so the common difference is (5). In a linear (n)th term, the coefficient of (n) gives the difference.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Sequences and Progressions. Topic: nth term.
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