यदि \(a_4=162\) और (r=3) है, तो \(a_9\) का मान क्या होगा?
If \(a_4=162\) and (r=3), what is the value of \(a_9\)?
Explanation opens after your attempt
B. (39366)
Concept
There are (5) steps from the fourth to the ninth term, so \(a_9=162\cdot3^5=39366\). In exams, count the position gap.
Why this answer is correct
The correct answer is B. (39366). There are (5) steps from the fourth to the ninth term, so \(a_9=162\cdot3^5=39366\). In exams, count the position gap.
Exam Tip
चौथे से नौवें पद तक (5) कदम हैं, इसलिए \(a_9=162\cdot3^5=39366\) है। परीक्षा में पद-संख्या का अंतर गिनें।
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