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What is the (n)th term of the sequence (2,8,18,32,50,\ldots)?
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Answer and explanation
Correct answer: (2n^2)
The terms are (2\cdot1^2,2\cdot2^2,2\cdot3^2,\ldots), so (a_n=2n^2). Recognize the square pattern with its coefficient.
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What is the correct answer to this question?
(2n^2)
Why is this the correct answer?
The terms are (2\cdot1^2,2\cdot2^2,2\cdot3^2,\ldots), so (a_n=2n^2). Recognize the square pattern with its coefficient.
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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