\( \frac{9!}{4!\cdot5!}-\frac{8!}{4!\cdot4!} \) का मान क्या है?
What is the value of \( \frac{9!}{4!\cdot5!}-\frac{8!}{4!\cdot4!} \)?
Explanation opens after your attempt
B. (56)
Concept
The first term is (126) and the second is (70), so the difference is (56). Simplify each term separately.
Why this answer is correct
The correct answer is B. (56). The first term is (126) and the second is (70), so the difference is (56). Simplify each term separately.
Exam Tip
पहला पद (126) और दूसरा (70) है, इसलिए अंतर (56) है। हर पद को अलग सरल करें।
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