यदि \(a_1=2\), \(a_2=9\) और \(a_n=a_{n-1}+a_{n-2}\) है तो \(a_6\) क्या होगा?
If \(a_1=2\), \(a_2=9\), and \(a_n=a_{n-1}+a_{n-2}\), what is \(a_6\)?
Explanation opens after your attempt
D. (62)
Concept
The terms are (2,9,11,20,31,51), so \(a_6=51\). The correct value is (51).
Why this answer is correct
The correct answer is D. (62). The terms are (2,9,11,20,31,51), so \(a_6=51\). The correct value is (51).
Exam Tip
पद (2,9,11,20,31,51) नहीं बल्कि \(a_6=51\) है। सही उत्तर (51) होता है।
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