\(\frac{15!}{13!}-5!\) का मान क्या है?
What is the value of \(\frac{15!}{13!}-5!\)?
Explanation opens after your attempt
B. (90)
Concept
\(\frac{15!}{13!}=15\cdot14=210\) and (5!=120), so the difference is (90). Simplify the factorial ratio first.
Why this answer is correct
The correct answer is B. (90). \(\frac{15!}{13!}=15\cdot14=210\) and (5!=120), so the difference is (90). Simplify the factorial ratio first.
Exam Tip
\(\frac{15!}{13!}=15\cdot14=210\) और (5!=120), इसलिए अंतर (90) है। पहले फैक्टोरियल अनुपात को सरल करें।
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