\(\frac{30!}{28!}-\frac{29!}{27!}\) का मान क्या है?
What is the value of \(\frac{30!}{28!}-\frac{29!}{27!}\)?
Explanation opens after your attempt
B. (58)
Concept
The first term is \(30\times29\) and the second is \(29\times28\). The difference is (29(30-28)=58).
Why this answer is correct
The correct answer is B. (58). The first term is \(30\times29\) and the second is \(29\times28\). The difference is (29(30-28)=58).
Exam Tip
पहला पद \(30\times29\) और दूसरा \(29\times28\) है। अंतर (29(30-28)=58) है।
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