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If (a_n=100+3n), what is the second term?
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Answer and explanation
Correct answer: 106
To find the second term, substitute \(n=2\): \(a_2=100+3(2)=100+6=106\). Therefore, 106 is correct. The value 103 is obtained for \(n=1\), so it is the first term, not the second. Exam tip: In nth-term questions, carefully substitute the required term number into the formula.
Frequently asked questions
What is the correct answer to this question?
106
Why is this the correct answer?
To find the second term, substitute \(n=2\): \(a_2=100+3(2)=100+6=106\). Therefore, 106 is correct. The value 103 is obtained for \(n=1\), so it is the first term, not the second. Exam tip: In nth-term questions, carefully substitute the required term number into the formula.
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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