यदि \(3,12,48,192,\ldots\) में \(a_n=768\) है, तो (n) क्या है?
If \(a_n=768\) in \(3,12,48,192,\ldots\), what is (n)?
Explanation opens after your attempt
B. (5)
Concept
The terms are (3,12,48,192,768), so (n=5). For position identify powers in order.
Why this answer is correct
The correct answer is B. (5). The terms are (3,12,48,192,768), so (n=5). For position identify powers in order.
Exam Tip
पद (3,12,48,192,768) हैं, इसलिए (n=5)। पद-संख्या के लिए क्रम से घात पहचानें।
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