\(\frac{9!}{7!}+\frac{8!}{6!}\) का मान क्या है?
What is the value of \(\frac{9!}{7!}+\frac{8!}{6!}\)?
Explanation opens after your attempt
A. (128)
Concept
Here \(\frac{9!}{7!}=72\) and \(\frac{8!}{6!}=56\) so the sum is (128). In exams cancel larger factorials quickly.
Why this answer is correct
The correct answer is A. (128). Here \(\frac{9!}{7!}=72\) and \(\frac{8!}{6!}=56\) so the sum is (128). In exams cancel larger factorials quickly.
Exam Tip
\(\frac{9!}{7!}=72\) और \(\frac{8!}{6!}=56\) इसलिए योग (128) है। परीक्षा में बड़े गुणनखंडों को तुरंत काटें।
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