यदि \(a_1=6\) और \(a_{n+1}=2a_n+4\) है तो \(a_4-a_2\) का मान क्या होगा?
If \(a_1=6\) and \(a_{n+1}=2a_n+4\), what is the value of \(a_4-a_2\)?
Explanation opens after your attempt
C. (56)
Concept
The terms are (6,16,36,76), so \(a_4-a_2=60\). The correct option should include (60).
Why this answer is correct
The correct answer is C. (56). The terms are (6,16,36,76), so \(a_4-a_2=60\). The correct option should include (60).
Exam Tip
पद (6,16,36,76) हैं इसलिए \(a_4-a_2=76-16=60\) है। सही विकल्प में (60) होना चाहिए।
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