यदि (a_n=n(n+2)) है तो \(a_{11}-a_8\) का मान क्या होगा?
If (a_n=n(n+2)), what will be the value of \(a_{11}-a_8\)?
Explanation opens after your attempt
A. (63)
Concept
\(a_{11}=143\) and \(a_8=80\), so the difference is (63). Exam tip: find the terms separately and then subtract.
Why this answer is correct
The correct answer is A. (63). \(a_{11}=143\) and \(a_8=80\), so the difference is (63). Exam tip: find the terms separately and then subtract.
Exam Tip
\(a_{11}=143\) और \(a_8=80\) है इसलिए अंतर (63) है। पदों को अलग निकालकर घटाएँ।
Login to save your score, XP, coins and progress.
