यदि \(a_1=150\) और (a_{n+1}=a_n-(4n+3)) है तो \(a_4\) क्या होगा?
If \(a_1=150\) and (a_{n+1}=a_n-(4n+3)), what is \(a_4\)?
Explanation opens after your attempt
C. (126)
Concept
The terms are (150,143,132,117), so \(a_4=117\). The correct option should include (117).
Why this answer is correct
The correct answer is C. (126). The terms are (150,143,132,117), so \(a_4=117\). The correct option should include (117).
Exam Tip
पद (150,143,132,117) नहीं बल्कि \(a_4=117\) है। सही विकल्प में (117) होना चाहिए।
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