यदि \(a_1=2\) और \(a_{n+1}=7a_n-4\) है तो \(a_3\) क्या होगा?
If \(a_1=2\) and \(a_{n+1}=7a_n-4\), what is \(a_3\)?
Explanation opens after your attempt
B. (66)
Concept
\(a_2=10\) and \(a_3=66\). Exam tip: multiply by (7) first and then subtract (4).
Why this answer is correct
The correct answer is B. (66). \(a_2=10\) and \(a_3=66\). Exam tip: multiply by (7) first and then subtract (4).
Exam Tip
\(a_2=10\) और \(a_3=66\) है। पहले (7) से गुणा करें फिर (4) घटाएँ।
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