( \frac{(n+4)!}{(n+2)!} ) का सही विस्तार कौन सा है?

Which is the correct expansion of ( \frac{(n+4)!}{(n+2)!} )?

Explanation opens after your attempt
Correct Answer

B. ( (n+4)(n+3) )

Step 1

Concept

((n+4)!=(n+4)(n+3)(n+2)!), so only two factors remain. Do not add an extra ((n+2)).

Step 2

Why this answer is correct

The correct answer is B. ( (n+4)(n+3) ). ((n+4)!=(n+4)(n+3)(n+2)!), so only two factors remain. Do not add an extra ((n+2)).

Step 3

Exam Tip

((n+4)!=(n+4)(n+3)(n+2)!), इसलिए केवल दो गुणक बचते हैं। अनावश्यक ((n+2)) न जोड़ें।

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Mathematics Answer, Explanation and Revision Hints

( \frac{(n+4)!}{(n+2)!} ) का सही विस्तार कौन सा है? / Which is the correct expansion of ( \frac{(n+4)!}{(n+2)!} )?

Correct Answer: B. ( (n+4)(n+3) ). Explanation: ((n+4)!=(n+4)(n+3)(n+2)!), इसलिए केवल दो गुणक बचते हैं। अनावश्यक ((n+2)) न जोड़ें। / ((n+4)!=(n+4)(n+3)(n+2)!), so only two factors remain. Do not add an extra ((n+2)).

Which concept should I revise for this Mathematics MCQ?

((n+4)!=(n+4)(n+3)(n+2)!), so only two factors remain. Do not add an extra ((n+2)).

What exam hint can help solve this Mathematics question?

((n+4)!=(n+4)(n+3)(n+2)!), इसलिए केवल दो गुणक बचते हैं। अनावश्यक ((n+2)) न जोड़ें।