यदि \(a_1=6\) और \(a_{n+1}=4a_n-3\) है तो \(a_3\) क्या होगा?
If \(a_1=6\) and \(a_{n+1}=4a_n-3\), what is \(a_3\)?
Explanation opens after your attempt
B. (81)
Concept
\(a_2=4\times6-3=21\) and \(a_3=4\times21-3=81\). Exam tip: subtract (3) after multiplication.
Why this answer is correct
The correct answer is B. (81). \(a_2=4\times6-3=21\) and \(a_3=4\times21-3=81\). Exam tip: subtract (3) after multiplication.
Exam Tip
\(a_2=4\times6-3=21\) और \(a_3=4\times21-3=81\) है। गुणा के बाद (3) घटाएँ।
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