यदि (a_n=6n-(-1)^n) है तो \(a_{12}-a_{11}\) का मान क्या होगा?
If (a_n=6n-(-1)^n), what will be the value of \(a_{12}-a_{11}\)?
Explanation opens after your attempt
A. (4)
Concept
\(a_{12}=71\) and \(a_{11}=67\), so the difference is (4). Exam tip: check the sign-changing part separately.
Why this answer is correct
The correct answer is A. (4). \(a_{12}=71\) and \(a_{11}=67\), so the difference is (4). Exam tip: check the sign-changing part separately.
Exam Tip
\(a_{12}=71\) और \(a_{11}=67\) इसलिए अंतर (4) है। चिह्न बदलने वाले भाग को अलग जाँचें।
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