यदि \(a_1=5\) और \(a_{n+1}=a_n+4\) है तो \(a_7\) क्या होगा?
If \(a_1=5\) and \(a_{n+1}=a_n+4\), what is \(a_7\)?
Explanation opens after your attempt
B. (29)
Concept
The terms are (5,9,13,17,21,25,29), so \(a_7=29\). Exam tip: add (4) six times for \(a_7\).
Why this answer is correct
The correct answer is B. (29). The terms are (5,9,13,17,21,25,29), so \(a_7=29\). Exam tip: add (4) six times for \(a_7\).
Exam Tip
पद (5,9,13,17,21,25,29) हैं इसलिए \(a_7=29\) है। recursive rule में (6) बार (4) जोड़ना होगा।
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