यदि \(a_1=4\) और (a_{n+1}=a_n+2(-1)^n) है तो \(a_4\) क्या होगा?
If \(a_1=4\) and (a_{n+1}=a_n+2(-1)^n), what is \(a_4\)?
Explanation opens after your attempt
B. (4)
Concept
The terms are (4,2,4,2), so \(a_4=2\). The correct option should be (2).
Why this answer is correct
The correct answer is B. (4). The terms are (4,2,4,2), so \(a_4=2\). The correct option should be (2).
Exam Tip
पद (4,2,4,2) हैं इसलिए \(a_4=2\) है। सही विकल्प (2) होना चाहिए।
Login to save your score, XP, coins and progress.
