यदि \(a_1=40\) और (a_{n+1}=a_n-(n+3)) है तो \(a_3\) क्या होगा?
If \(a_1=40\) and (a_{n+1}=a_n-(n+3)), what is \(a_3\)?
Explanation opens after your attempt
B. (31)
Concept
The terms are (40,36,31), so \(a_3=31\). Exam tip: calculate (n+3) correctly at each step.
Why this answer is correct
The correct answer is B. (31). The terms are (40,36,31), so \(a_3=31\). Exam tip: calculate (n+3) correctly at each step.
Exam Tip
पद (40,36,31) हैं इसलिए \(a_3=31\) है। प्रत्येक चरण में (n+3) सही निकालें।
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