यदि (a_n=n(n+2)) है, तो \(a_5\) क्या होगा?
If (a_n=n(n+2)), what is \(a_5\)?
Explanation opens after your attempt
C. (35)
Concept
(a_5=5(7)=35). First find (n+2) inside the bracket.
Why this answer is correct
The correct answer is C. (35). (a_5=5(7)=35). First find (n+2) inside the bracket.
Exam Tip
(a_5=5(7)=35)। कोष्ठक में (n+2) को पहले निकालें।
Login to save your score, XP, coins and progress.
