\({}^{11}P_{2}\) का मान क्या है?
What is the value of \({}^{11}P_{2}\)?
Explanation opens after your attempt
A. (110)
Concept
\({}^{11}P_{2}=11\times10=110\). When (r=2), take two decreasing factors.
Why this answer is correct
The correct answer is A. (110). \({}^{11}P_{2}=11\times10=110\). When (r=2), take two decreasing factors.
Exam Tip
\({}^{11}P_{2}=11\times10=110\) होता है। (r=2) होने पर दो घटते गुणनखंड लें।
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