\(\frac{9!}{7!}+\frac{8!}{6!}\) का मान क्या है?

What is the value of \(\frac{9!}{7!}+\frac{8!}{6!}\)?

Explanation opens after your attempt
Correct Answer

A. (128)

Step 1

Concept

Here \(\frac{9!}{7!}=72\) and \(\frac{8!}{6!}=56\) so the sum is (128). In exams cancel larger factorials quickly.

Step 2

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.

Step 3

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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Mathematics Answer, Explanation and Revision Hints

\(\frac{9!}{7!}+\frac{8!}{6!}\) का मान क्या है? / What is the value of \(\frac{9!}{7!}+\frac{8!}{6!}\)?

Correct Answer: A. (128). Explanation: \(\frac{9!}{7!}=72\) और \(\frac{8!}{6!}=56\) इसलिए योग (128) है। परीक्षा में बड़े गुणनखंडों को तुरंत काटें। / Here \(\frac{9!}{7!}=72\) and \(\frac{8!}{6!}=56\) so the sum is (128). In exams cancel larger factorials quickly.

Which concept should I revise for this Mathematics MCQ?

Here \(\frac{9!}{7!}=72\) and \(\frac{8!}{6!}=56\) so the sum is (128). In exams cancel larger factorials quickly.

What exam hint can help solve this Mathematics question?

\(\frac{9!}{7!}=72\) और \(\frac{8!}{6!}=56\) इसलिए योग (128) है। परीक्षा में बड़े गुणनखंडों को तुरंत काटें।