\( \frac{12!}{9!}-2\cdot\frac{11!}{8!} \) का मान क्या है?
What is the value of \( \frac{12!}{9!}-2\cdot\frac{11!}{8!} \)?
Explanation opens after your attempt
D. (660)
Concept
The first term is (1320) and the second is \(2\cdot330=660\), so the difference is (660). Complete the multiplication in the coefficient term first.
Why this answer is correct
The correct answer is D. (660). The first term is (1320) and the second is \(2\cdot330=660\), so the difference is (660). Complete the multiplication in the coefficient term first.
Exam Tip
पहला पद (1320) और दूसरा \(2\cdot330=660\) है, इसलिए अंतर (660) है। गुणांक वाले पद में पहले गुणा पूरा करें।
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