किसी अनुक्रम में \(H_1=6\) और (H_n=H_{n-1}+(n-1)(n+1)) है। \(H_5\) का मान क्या होगा?
In a sequence, \(H_1=6\) and (H_n=H_{n-1}+(n-1)(n+1)). What is the value of \(H_5\)?
Explanation opens after your attempt
B. छप्पन(56)
Concept
\(H_5=6+3+8+15+24=56\). In exams, simplify ((n-1)(n+1)) correctly.
Why this answer is correct
The correct answer is B. छप्पन / (56). \(H_5=6+3+8+15+24=56\). In exams, simplify ((n-1)(n+1)) correctly.
Exam Tip
\(H_5=6+3+8+15+24=56\) है। परीक्षा में ((n-1)(n+1)) को सही सरल करें।
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