\( \frac{15!}{13!\cdot2} \) का मान ज्ञात कीजिए।
Find the value of \( \frac{15!}{13!\cdot2} \).
Explanation opens after your attempt
A. (105)
Concept
\(15!=15\cdot14\cdot13!\), so \( \frac{15\cdot14}{2}=105 \). Remove the common part first.
Why this answer is correct
The correct answer is A. (105). \(15!=15\cdot14\cdot13!\), so \( \frac{15\cdot14}{2}=105 \). Remove the common part first.
Exam Tip
\(15!=15\cdot14\cdot13!\), इसलिए \( \frac{15\cdot14}{2}=105 \) है। पहले सामान्य भाग हटाएं।
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