यदि \(a_1=30\) और (a_{n+1}=a_n-(n+2)) है तो \(a_3\) क्या होगा?
If \(a_1=30\) and (a_{n+1}=a_n-(n+2)), what is \(a_3\)?
Explanation opens after your attempt
B. (23)
Concept
The terms are (30,27,23), so \(a_3=23\). Exam tip: calculate (n+2) correctly at each step.
Why this answer is correct
The correct answer is B. (23). The terms are (30,27,23), so \(a_3=23\). Exam tip: calculate (n+2) correctly at each step.
Exam Tip
पद (30,27,23) हैं इसलिए \(a_3=23\) है। प्रत्येक चरण में (n+2) सही निकालें।
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