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What is ( \frac{(n+3)!}{(n+1)!} ) equal to?( \frac{(n+3)!}{(n+1)!} ) किसके बराबर है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ( (n+3)(n+2) )( (n+3)(n+2) )
((n+3)!=(n+3)(n+2)(n+1)!), so the answer is ((n+3)(n+2)). Expand the larger factorial up to the smaller one.((n+3)!=(n+3)(n+2)(n+1)!), इसलिए उत्तर ((n+3)(n+2)) है। बड़ी फैक्टोरियल को छोटी फैक्टोरियल तक फैलाएं।
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