\({}^{8}P_{2}\) का मान क्या है?

What is the value of \({}^{8}P_{2}\)?

Explanation opens after your attempt
Correct Answer

A. (56)

Step 1

Concept

\({}^{8}P_{2}=8\times7=56\). When (r=2), take two decreasing factors.

Step 2

Why this answer is correct

The correct answer is A. (56). \({}^{8}P_{2}=8\times7=56\). When (r=2), take two decreasing factors.

Step 3

Exam Tip

\({}^{8}P_{2}=8\times7=56\) होता है। (r=2) हो तो दो घटते गुणनखंड लें।

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Mathematics Answer, Explanation and Revision Hints

\({}^{8}P_{2}\) का मान क्या है? / What is the value of \({}^{8}P_{2}\)?

Correct Answer: A. (56). Explanation: \({}^{8}P_{2}=8\times7=56\) होता है। (r=2) हो तो दो घटते गुणनखंड लें। / \({}^{8}P_{2}=8\times7=56\). When (r=2), take two decreasing factors.

Which concept should I revise for this Mathematics MCQ?

\({}^{8}P_{2}=8\times7=56\). When (r=2), take two decreasing factors.

What exam hint can help solve this Mathematics question?

\({}^{8}P_{2}=8\times7=56\) होता है। (r=2) हो तो दो घटते गुणनखंड लें।