कौन-सा संबंध \(^{n}P_3\) को \(^{n}C_3\) से सही जोड़ता है?
Which relation correctly connects \(^{n}P_3\) with \(^{n}C_3\)?
Explanation opens after your attempt
Correct Answer
B. \(^{n}P_3=^{n}C_3\times3!\)
Concept
First choose (3) objects and arrange them in (3!) ways. In exams write ordered selection as selection times arrangement.
Why this answer is correct
The correct answer is B. \(^{n}P_3=^{n}C_3\times3!\). First choose (3) objects and arrange them in (3!) ways. In exams write ordered selection as selection times arrangement.
Exam Tip
पहले (3) वस्तुएँ चुनकर उन्हें (3!) तरीकों से जमाते हैं। परीक्षा में क्रमबद्ध चयन को चयन गुणा व्यवस्था लिखें।
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