यदि \(G_1=1\) और \(G_n=2G_{n-1}+2n+1\) है, तो \(G_4\) का मान क्या होगा?
If \(G_1=1\) and \(G_n=2G_{n-1}+2n+1\), what is the value of \(G_4\)?
Explanation opens after your attempt
C. इक्यावन(51)
Concept
\(G_2=7\), \(G_3=21\), and \(G_4=51\). In exams, add (2n+1) after doubling.
Why this answer is correct
The correct answer is C. इक्यावन / (51). \(G_2=7\), \(G_3=21\), and \(G_4=51\). In exams, add (2n+1) after doubling.
Exam Tip
\(G_2=7\), \(G_3=21\) और \(G_4=51\) है। परीक्षा में दोगुना करने के बाद (2n+1) जोड़ें।
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