\(\frac{8!}{4!\cdot2!\cdot2!}\) का मान क्या है?
What is the value of \(\frac{8!}{4!\cdot2!\cdot2!}\)?
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Correct Answer
A. (420)
Concept
\(\frac{8!}{4!\cdot2!\cdot2!}=\frac{8\cdot7\cdot6\cdot5}{4}=420\). Cancel (4!) first and calculate with smaller factors.
Why this answer is correct
The correct answer is A. (420). \(\frac{8!}{4!\cdot2!\cdot2!}=\frac{8\cdot7\cdot6\cdot5}{4}=420\). Cancel (4!) first and calculate with smaller factors.
Exam Tip
\(\frac{8!}{4!\cdot2!\cdot2!}=\frac{8\cdot7\cdot6\cdot5}{4}=420\) होता है। पहले (4!) काटकर छोटे पदों में गणना करें।
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