What is ( \frac{(2n+2)!}{(2n)!} ) equal to?( \frac{(2n+2)!}{(2n)!} ) किसके बराबर है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ( (2n+2)(2n+1) )( (2n+2)(2n+1) )
((2n+2)!=(2n+2)(2n+1)(2n)!), so the answer is ((2n+2)(2n+1)). Do not skip the order in indexed factorials.((2n+2)!=(2n+2)(2n+1)(2n)!), इसलिए उत्तर ((2n+2)(2n+1)) है। सूचक वाले फैक्टोरियल में क्रम न छोड़ें।
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