यदि \(a_1=1\), \(a_2=3\) और \(a_n=4a_{n-1}-3a_{n-2}\) है तो \(a_5\) क्या होगा?
If \(a_1=1\), \(a_2=3\), and \(a_n=4a_{n-1}-3a_{n-2}\), what is \(a_5\)?
Explanation opens after your attempt
A. (27)
Concept
The terms are (1,3,9,27,81), so \(a_5=81\). The correct option should include (81).
Why this answer is correct
The correct answer is A. (27). The terms are (1,3,9,27,81), so \(a_5=81\). The correct option should include (81).
Exam Tip
पद (1,3,9,27,81) हैं इसलिए \(a_5=81\) है। सही विकल्प में (81) होना चाहिए।
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