\(\frac{20!}{18!\times 19}\) का मान क्या है?
What is the value of \(\frac{20!}{18!\times 19}\)?
Explanation opens after your attempt
C. (20)
Concept
\(\frac{20!}{18!\times19}=\frac{20\times19}{19}=20\). Look at the remaining factor after cancellation.
Why this answer is correct
The correct answer is C. (20). \(\frac{20!}{18!\times19}=\frac{20\times19}{19}=20\). Look at the remaining factor after cancellation.
Exam Tip
\(\frac{20!}{18!\times19}=\frac{20\times19}{19}=20\) है। कटौती के बाद बचा हुआ गुणनखंड देखें।
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