Class 11 Mathematics Permutations and Combinations Derivations of formulas and their connections Easy Level 66

\(^{n}C_r\) को \(^{n}C_{n-r}\) से जोड़ने में कौन-सा pair बनता है?

Which pair is formed when connecting \(^{n}C_r\) with \(^{n}C_{n-r}\)?

Explanation opens after your attempt
Correct Answer

A. chosen group और rejected groupchosen group and rejected group

Step 1

Concept

Each selection has a unique rejected group. In exams understand the identity by forming a complementary pair.

Step 2

Why this answer is correct

The correct answer is A. chosen group और rejected group / chosen group and rejected group. Each selection has a unique rejected group. In exams understand the identity by forming a complementary pair.

Step 3

Exam Tip

हर selection का एक unique rejected group होता है। परीक्षा में complementary pair बनाकर identity समझें।

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\(^{n}C_r\) को \(^{n}C_{n-r}\) से जोड़ने में कौन-सा pair बनता है? / Which pair is formed when connecting \(^{n}C_r\) with \(^{n}C_{n-r}\)?

Correct Answer: A. chosen group और rejected group / chosen group and rejected group. Explanation: हर selection का एक unique rejected group होता है। परीक्षा में complementary pair बनाकर identity समझें। / Each selection has a unique rejected group. In exams understand the identity by forming a complementary pair.

Which concept should I revise for this Mathematics MCQ?

Each selection has a unique rejected group. In exams understand the identity by forming a complementary pair.

What exam hint can help solve this Mathematics question?

हर selection का एक unique rejected group होता है। परीक्षा में complementary pair बनाकर identity समझें।