यदि \(a_1=90\) और (a_{n+1}=a_n-(n!+2n)) है तो \(a_5\) क्या होगा?
If \(a_1=90\) and (a_{n+1}=a_n-(n!+2n)), what is \(a_5\)?
Explanation opens after your attempt
C. (37)
Concept
The subtracted values are (3,6,12,32), so \(a_5=37\). Exam tip: write each subtraction in order.
Why this answer is correct
The correct answer is C. (37). The subtracted values are (3,6,12,32), so \(a_5=37\). Exam tip: write each subtraction in order.
Exam Tip
घटने वाले मान (3,6,12,32) हैं इसलिए \(a_5=37\) है। हर घटाव को क्रम से लिखें।
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