अनुक्रम \(6,18,54,162,\ldots\) के लिए सही सामान्य पद कौन-सा है?
Which general term is correct for the sequence \(6,18,54,162,\ldots\)?
Explanation opens after your attempt
C. \(a_n=2\cdot3^n\)
Concept
\(2\cdot3^n\) gives (6,18,54,162). In exams, check powers of the base for geometric growth.
Why this answer is correct
The correct answer is C. \(a_n=2\cdot3^n\). \(2\cdot3^n\) gives (6,18,54,162). In exams, check powers of the base for geometric growth.
Exam Tip
\(2\cdot3^n\) से (6,18,54,162) मिलते हैं। परीक्षा में गुणोत्तर वृद्धि के लिए आधार की घात जाँचें।
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