(\frac{(n+3)!}{n!}) का पूर्ण विस्तार कौन सा है?

Which is the complete expansion of (\frac{(n+3)!}{n!})?

Explanation opens after your attempt
Correct Answer

C. ((n+3)(n+2)(n+1))

Step 1

Concept

((n+3)!=(n+3)(n+2)(n+1)n!). After canceling (n!), three factors remain.

Step 2

Why this answer is correct

The correct answer is C. ((n+3)(n+2)(n+1)). ((n+3)!=(n+3)(n+2)(n+1)n!). After canceling (n!), three factors remain.

Step 3

Exam Tip

((n+3)!=(n+3)(n+2)(n+1)n!) होता है। इसलिए (n!) कटने पर तीन गुणनखंड बचते हैं।

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Mathematics Answer, Explanation and Revision Hints

(\frac{(n+3)!}{n!}) का पूर्ण विस्तार कौन सा है? / Which is the complete expansion of (\frac{(n+3)!}{n!})?

Correct Answer: C. ((n+3)(n+2)(n+1)). Explanation: ((n+3)!=(n+3)(n+2)(n+1)n!) होता है। इसलिए (n!) कटने पर तीन गुणनखंड बचते हैं। / ((n+3)!=(n+3)(n+2)(n+1)n!). After canceling (n!), three factors remain.

Which concept should I revise for this Mathematics MCQ?

((n+3)!=(n+3)(n+2)(n+1)n!). After canceling (n!), three factors remain.

What exam hint can help solve this Mathematics question?

((n+3)!=(n+3)(n+2)(n+1)n!) होता है। इसलिए (n!) कटने पर तीन गुणनखंड बचते हैं।