( \frac{(4n+1)!}{(4n-1)!} ) किसके बराबर है?
What is ( \frac{(4n+1)!}{(4n-1)!} ) equal to?
Explanation opens after your attempt
A. ( (4n+1)(4n) )
Concept
((4n+1)!=(4n+1)(4n)(4n-1)!). Therefore two factors remain.
Why this answer is correct
The correct answer is A. ( (4n+1)(4n) ). ((4n+1)!=(4n+1)(4n)(4n-1)!). Therefore two factors remain.
Exam Tip
((4n+1)!=(4n+1)(4n)(4n-1)!) है। इसलिए दो गुणक बचते हैं।
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