यदि \(a_1=7\) और \(a_{n+1}=2a_n+3\) है तो \(a_4\) क्या होगा?
If \(a_1=7\) and \(a_{n+1}=2a_n+3\), what is \(a_4\)?
Explanation opens after your attempt
C. (69)
Concept
The terms are (7,17,37,77), so \(a_4=77\). The correct option should include (77).
Why this answer is correct
The correct answer is C. (69). The terms are (7,17,37,77), so \(a_4=77\). The correct option should include (77).
Exam Tip
पद (7,17,37,77) नहीं बल्कि \(a_4=77\) है। सही विकल्प में (77) होना चाहिए।
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