यदि \(a_1=5\) और \(a_{n+1}=2a_n\) है तो \(a_3\) का मान क्या है?
If \(a_1=5\) and \(a_{n+1}=2a_n\), what is the value of \(a_3\)?
Explanation opens after your attempt
A. (20)
Concept
The terms are (5,10,20), so \(a_3=20\). Exam tip: multiply the previous term by (2) each time.
Why this answer is correct
The correct answer is A. (20). The terms are (5,10,20), so \(a_3=20\). Exam tip: multiply the previous term by (2) each time.
Exam Tip
पद (5,10,20) हैं इसलिए \(a_3=20\) है। हर बार पिछले पद को (2) से गुणा करें।
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