\(\frac{8!-7!}{7!}\) का मान क्या है?
What is the value of \(\frac{8!-7!}{7!}\)?
Explanation opens after your attempt
B. (7)
Concept
\(8!-7!=8\cdot7!-7!=7\cdot7!\), so the value is (7). Take the common factorial in subtraction.
Why this answer is correct
The correct answer is B. (7). \(8!-7!=8\cdot7!-7!=7\cdot7!\), so the value is (7). Take the common factorial in subtraction.
Exam Tip
\(8!-7!=8\cdot7!-7!=7\cdot7!\), इसलिए मान (7) है। घटाव में सामान्य फैक्टोरियल निकालें।
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