\( \frac{22!}{20!\cdot2!}-\frac{21!}{20!} \) का मान क्या है?

What is the value of \( \frac{22!}{20!\cdot2!}-\frac{21!}{20!} \)?

Explanation opens after your attempt
Correct Answer

A. (210)

Step 1

Concept

The first term is (231) and the second is (21). The difference is (210).

Step 2

Why this answer is correct

The correct answer is A. (210). The first term is (231) and the second is (21). The difference is (210).

Step 3

Exam Tip

पहला पद (231) और दूसरा (21) है। अंतर (210) है।

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Mathematics Answer, Explanation and Revision Hints

\( \frac{22!}{20!\cdot2!}-\frac{21!}{20!} \) का मान क्या है? / What is the value of \( \frac{22!}{20!\cdot2!}-\frac{21!}{20!} \)?

Correct Answer: A. (210). Explanation: पहला पद (231) और दूसरा (21) है। अंतर (210) है। / The first term is (231) and the second is (21). The difference is (210).

Which concept should I revise for this Mathematics MCQ?

The first term is (231) and the second is (21). The difference is (210).

What exam hint can help solve this Mathematics question?

पहला पद (231) और दूसरा (21) है। अंतर (210) है।