( \frac{(2n+2)!}{(2n)!} ) किसके बराबर है?
What is ( \frac{(2n+2)!}{(2n)!} ) equal to?
Explanation opens after your attempt
Correct Answer
B. ( (2n+2)(2n+1) )
Concept
((2n+2)!=(2n+2)(2n+1)(2n)!), so the answer is ((2n+2)(2n+1)). Do not skip the order in indexed factorials.
Why this answer is correct
The correct answer is B. ( (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.
Exam Tip
((2n+2)!=(2n+2)(2n+1)(2n)!), इसलिए उत्तर ((2n+2)(2n+1)) है। सूचक वाले फैक्टोरियल में क्रम न छोड़ें।
Login to save your score, XP, coins and progress.