यदि \(a_1=4\) और \(a_{n+1}=2a_n+7\) है तो \(a_3-a_2\) का मान क्या होगा?
If \(a_1=4\) and \(a_{n+1}=2a_n+7\), what is the value of \(a_3-a_2\)?
Explanation opens after your attempt
C. (22)
Concept
The terms are (4,15,37), so \(a_3-a_2=22\). Exam tip: find both terms before taking the difference.
Why this answer is correct
The correct answer is C. (22). The terms are (4,15,37), so \(a_3-a_2=22\). Exam tip: find both terms before taking the difference.
Exam Tip
पद (4,15,37) हैं इसलिए \(a_3-a_2=22\) है। पहले दोनों पद निकालें फिर अंतर लें।
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