\( \frac{18!}{15!}-\frac{17!}{14!} \) का मान क्या है?
What is the value of \( \frac{18!}{15!}-\frac{17!}{14!} \)?
Explanation opens after your attempt
B. (816)
Concept
The first term is \(18\cdot17\cdot16=4896\) and the second is \(17\cdot16\cdot15=4080\). The difference is (816).
Why this answer is correct
The correct answer is B. (816). The first term is \(18\cdot17\cdot16=4896\) and the second is \(17\cdot16\cdot15=4080\). The difference is (816).
Exam Tip
पहला पद \(18\cdot17\cdot16=4896\) और दूसरा \(17\cdot16\cdot15=4080\) है। अंतर (816) है।
Login to save your score, XP, coins and progress.
