\( \frac{14!}{12!\cdot2!}-\frac{13!}{11!\cdot2!} \) का मान क्या है?
What is the value of \( \frac{14!}{12!\cdot2!}-\frac{13!}{11!\cdot2!} \)?
Explanation opens after your attempt
A. (13)
Concept
The first value is (91) and the second is (78), so the difference is (13). Evaluate similar terms separately.
Why this answer is correct
The correct answer is A. (13). The first value is (91) and the second is (78), so the difference is (13). Evaluate similar terms separately.
Exam Tip
पहला मान (91) और दूसरा (78) है, इसलिए अंतर (13) है। समान प्रकार के पदों को अलग-अलग निकालें।
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