यदि \(a_1=4\) और \(a_{n+1}=a_n+2a_n\) है तो \(a_4\) क्या होगा?
If \(a_1=4\) and \(a_{n+1}=a_n+2a_n\), what is \(a_4\)?
Explanation opens after your attempt
C. (108)
Concept
This rule is \(a_{n+1}=3a_n\), and the terms are (4,12,36,108). Exam tip: simplify the rule first.
Why this answer is correct
The correct answer is C. (108). This rule is \(a_{n+1}=3a_n\), and the terms are (4,12,36,108). Exam tip: simplify the rule first.
Exam Tip
यह नियम \(a_{n+1}=3a_n\) है और पद (4,12,36,108) हैं। नियम को पहले सरल करना अच्छा तरीका है।
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