यदि \(a_1=5\) और \(a_{n+1}=2a_n+3\) है तो \(a_4-a_2\) का मान क्या होगा?
If \(a_1=5\) and \(a_{n+1}=2a_n+3\), what is the value of \(a_4-a_2\)?
Explanation opens after your attempt
C. (42)
Concept
The terms are (5,13,29,61), so \(a_4-a_2=48\). The correct option should include (48).
Why this answer is correct
The correct answer is C. (42). The terms are (5,13,29,61), so \(a_4-a_2=48\). The correct option should include (48).
Exam Tip
पद (5,13,29,61) हैं इसलिए \(a_4-a_2=61-13=48\) है। सही विकल्प में (48) होना चाहिए।
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