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Which is the correct rule for the sequence (7,18,37,64,\ldots)?
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Answer and explanation
Correct answer: (a_n=3n^2+4n)
(3n^2+4n) does not give the sequence; the correct rule is (4n^2+3). Options should be matched with the first four terms.
Frequently asked questions
What is the correct answer to this question?
(a_n=3n^2+4n)
Why is this the correct answer?
(3n^2+4n) does not give the sequence; the correct rule is (4n^2+3). Options should be matched with the first four terms.
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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