यदि \(a_1=3\) और \(a_{n+1}=2a_n+2\) है तो \(a_4-a_2\) का मान क्या होगा?
If \(a_1=3\) and \(a_{n+1}=2a_n+2\), what is the value of \(a_4-a_2\)?
Explanation opens after your attempt
C. (24)
Concept
The terms are (3,8,18,38), so \(a_4-a_2=30\). The correct difference should be (30).
Why this answer is correct
The correct answer is C. (24). The terms are (3,8,18,38), so \(a_4-a_2=30\). The correct difference should be (30).
Exam Tip
पद (3,8,18,38) हैं इसलिए \(a_4-a_2=38-8=30\) है। सही अंतर (30) होना चाहिए।
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