( \frac{(3n+2)!}{(3n)!} ) किसके बराबर है?
What is ( \frac{(3n+2)!}{(3n)!} ) equal to?
Explanation opens after your attempt
A. ((3n+2)(3n+1))
Concept
((3n+2)!=(3n+2)(3n+1)(3n)!). Therefore two factors remain.
Why this answer is correct
The correct answer is A. ((3n+2)(3n+1)). ((3n+2)!=(3n+2)(3n+1)(3n)!). Therefore two factors remain.
Exam Tip
((3n+2)!=(3n+2)(3n+1)(3n)!) है। इसलिए दो गुणक बचते हैं।
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