यदि \(a_1=150\) और (a_{n+1}=a_n-(5n+4)) है तो \(a_3\) क्या होगा?
If \(a_1=150\) and (a_{n+1}=a_n-(5n+4)), what is \(a_3\)?
Explanation opens after your attempt
B. (127)
Concept
The terms are (150,141,127), so \(a_3=127\). Exam tip: calculate (5n+4) before subtracting.
Why this answer is correct
The correct answer is B. (127). The terms are (150,141,127), so \(a_3=127\). Exam tip: calculate (5n+4) before subtracting.
Exam Tip
पद (150,141,127) हैं इसलिए \(a_3=127\) है। घटाने से पहले (5n+4) निकालें।
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