किसी अनुक्रम में \(c_1=1\), \(c_2=3\) और \(c_n=2c_{n-1}+c_{n-2}\) है। \(c_5\) का मान क्या होगा?
In a sequence, \(c_1=1\), \(c_2=3\), and \(c_n=2c_{n-1}+c_{n-2}\). What is the value of \(c_5\)?
Explanation opens after your attempt
D. इकतालीस(41)
Concept
We get \(c_3=7\), \(c_4=17\), and \(c_5=41\). In exams, do not interchange the previous two terms.
Why this answer is correct
The correct answer is D. इकतालीस / (41). We get \(c_3=7\), \(c_4=17\), and \(c_5=41\). In exams, do not interchange the previous two terms.
Exam Tip
\(c_3=7\), \(c_4=17\) और \(c_5=41\) मिलता है। परीक्षा में पिछले दो पदों का क्रम न बदलें।
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