क्रम \(12,15,18,21,\ldots\) में \(a_2\) क्या है?
In the sequence \(12,15,18,21,\ldots\), what is \(a_2\)?
Explanation opens after your attempt
B. (15)
Concept
\(a_2\) means the second term. In this sequence, the second term is (15).
Why this answer is correct
The correct answer is B. (15). \(a_2\) means the second term. In this sequence, the second term is (15).
Exam Tip
\(a_2\) का अर्थ दूसरा पद है। इस क्रम में दूसरा पद (15) है।
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