गुणोत्तर श्रेढ़ी \(4,16,64,\ldots\) में \(a_5\) क्या होगा?
In the geometric progression \(4,16,64,\ldots\), what is \(a_5\)?
Explanation opens after your attempt
C. (1024)
Concept
The common ratio is (4), so \(a_5=4\cdot4^4=1024\). For the fifth term the ratio is used (4) times.
Why this answer is correct
The correct answer is C. (1024). The common ratio is (4), so \(a_5=4\cdot4^4=1024\). For the fifth term the ratio is used (4) times.
Exam Tip
सार्व अनुपात (4) है, इसलिए \(a_5=4\cdot4^4=1024\)। (5)वें पद के लिए (4) बार अनुपात लगता है।
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