यदि गुणोत्तर श्रेढ़ी में \(a_2=12\) और (r=4) है, तो \(a_5\) क्या होगा?
If a geometric progression has \(a_2=12\) and (r=4), what will be \(a_5\)?
Explanation opens after your attempt
D. (768)
Concept
\(a_5=a_2r^3=12\cdot4^3=768\). Use the correct power of the ratio when moving forward from a given term.
Why this answer is correct
The correct answer is D. (768). \(a_5=a_2r^3=12\cdot4^3=768\). Use the correct power of the ratio when moving forward from a given term.
Exam Tip
\(a_5=a_2r^3=12\cdot4^3=768\)। दिए पद से आगे जाने में अनुपात की सही घात लगाएं।
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