विस्तार में ((2n+3)(2n+2)(2n+1)(2n)) बचता है। इसलिए कुल (4) गुणक हैं। / The expansion leaves ((2n+3)(2n+2)(2n+1)(2n)). Therefore there are (4) factors.
Mathematics Answer, Explanation and Revision Hints
( \frac{(2n+3)!}{(2n-1)!} ) के विस्तार में कितने गुणक बचते हैं? / How many factors remain in the expansion of ( \frac{(2n+3)!}{(2n-1)!} )?
Correct Answer: B. (4). Explanation: विस्तार में ((2n+3)(2n+2)(2n+1)(2n)) बचता है। इसलिए कुल (4) गुणक हैं। / The expansion leaves ((2n+3)(2n+2)(2n+1)(2n)). Therefore there are (4) factors.
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