यदि \(a_1=200\) और (a_{n+1}=a_n-n(n+4)-2) है तो \(a_4\) क्या होगा?
If \(a_1=200\) and (a_{n+1}=a_n-n(n+4)-2), what is \(a_4\)?
Explanation opens after your attempt
B. (158)
Concept
The subtracted values are (7,14,23), so \(a_4=156\). Exam tip: subtract the full product expression each time.
Why this answer is correct
The correct answer is B. (158). The subtracted values are (7,14,23), so \(a_4=156\). Exam tip: subtract the full product expression each time.
Exam Tip
घटने वाले मान (7,14,23) हैं इसलिए \(a_4=156\) है। सही विकल्प में (156) होना चाहिए।
Login to save your score, XP, coins and progress.
