किसी अनुक्रम में \(C_1=4\) और (C_n=C_{n-1}+n(n+2)) है। \(C_4\) का मान क्या होगा?
In a sequence, \(C_1=4\) and (C_n=C_{n-1}+n(n+2)). What is the value of \(C_4\)?
Explanation opens after your attempt
C. इक्यावन(51)
Concept
\(C_4=4+8+15+24=51\). In exams, simplify (n(n+2)) first.
Why this answer is correct
The correct answer is C. इक्यावन / (51). \(C_4=4+8+15+24=51\). In exams, simplify (n(n+2)) first.
Exam Tip
\(C_4=4+8+15+24=51\) है। परीक्षा में (n(n+2)) को पहले सरल करें।
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